Dharma · AI Companion

無為解脫

asaṃskṛta-vimokṣa

离有为生灭束缚的解脱。AI-generated

Type AttainmentDifficulty AdvancedTruth-level span I · dependent arising ⇢ IV · beyond wordsInitial AI estimate · evolves with use

无为解脱即涅槃;声闻解为择灭,大乘会归离言空性

A Contemporary ReadingAI-generated

What This Concept Is Saying

無為解脫 (*asaṃskṛta-vimokṣa*, “unconditioned liberation”) is not merely a peaceful state of mind. It is the unconditioned cessation of the bonds themselves: afflictions no longer arise because their basis has been thoroughly exhausted. In the formulation of the *Abhidharmakośabhāṣya* (《阿毘達磨俱舍論》), it is “the cessation of all delusion” (一切惑滅). In the *Mahāprajñāpāramitā-śāstra* (《大智度論》), its fullest expression includes the exhaustion not only of afflictions but also of their 習氣 (*vāsanā*, residual tendencies or “perfuming habits”).

The decisive distinction is between two meanings of liberation:

- 有為解脫 (*saṃskṛta-vimokṣa*, conditioned liberation) is the active, undefiled knowing by which the mind understands and releases. The *Abhidharmakośabhāṣya* calls it the “resolute understanding of one beyond training” (無學勝解). It is a functioning mental event and therefore conditioned. - 無為解脫 is not another mental event. It is the cessation of the bondage that the wisdom has penetrated and abandoned. Wisdom functions; bondage ends. The former belongs to the path’s activity, the latter is the freedom disclosed when the fetter is no longer there.

A simple analogy is medical treatment. Correct diagnosis and effective treatment are activities; the absence of the disease is not an additional medicine manufactured afterward. Likewise, liberating wisdom is cultivated and functions through causes and conditions, while the cessation it realizes is not another conditioned product placed inside the mind.

This is the point of the *Abhidharmakośabhāṣya* line 無為無因果, “the unconditioned is neither cause nor result.” It does not mean that practice is unnecessary or that awakening happens randomly. The path is indispensable for abandoning the obstruction. But the freedom revealed by abandonment is not a newly fabricated object that later decays. Practice conditions the realization of cessation; it does not manufacture cessation as one more impermanent experience.

The same treatise analyzes unconditioned liberation under three names, each defined according to what is abandoned:

1. 離界 (*virāga-dhātu*, the sphere of dispassion) means specifically separation from greed or attachment. 2. 斷界 (*prahāṇa-dhātu*, the sphere of abandonment) means the cutting off of the other fetters. 3. 滅界 (*nirodha-dhātu*, the sphere of cessation) means the cessation of the remaining conditions through which greed and the other latent tendencies would be nourished and increase.

These are not three mystical locations. They are three ways of naming unconditioned liberation according to the aspect of bondage that has ceased. Nor should “greed” be reduced to obvious craving for money, sex, or possessions. It includes the mind’s subtler demand that experience confirm “me,” protect “my position,” or become permanently satisfying.

The distinction also explains why only conditioned liberation can be called a “factor” or “constituent” of the path of one beyond training (無學支). A path factor must function: it knows, discerns, or releases. Unconditioned liberation does not perform a mental operation and therefore is not a factor alongside other factors. Similarly, 心解脫 (*ceto-vimukti*, liberation of mind) and 慧解脫 (*prajñā-vimukti*, liberation through wisdom), when classified as the 解脫蘊 (“aggregate” or body of liberation), belong here to functioning, conditioned liberation—not to the unconditioned cessation itself.

The *Abhidharmakośabhāṣya* says that when the mind of one beyond training arises, that person is “just then liberated from the obstruction.” This shows the intimacy of the two sides without collapsing them: liberating knowledge occurs, and the freedom from bondage is realized. One is the functioning of unobstructed wisdom; the other is the absence of what formerly bound the continuum.

The *Mahāprajñāpāramitā-śāstra* adds an essential second movement. At the introductory level, we distinguish conditioned processes—those marked by arising, abiding, changing, and ceasing—from the unconditioned, described as not arising or ceasing. This distinction is useful and necessary. But it must not harden into the fantasy that “the conditioned” and “the unconditioned” are two self-existing substances.

The treatise therefore says, “If the conditioned were removed, there would be no unconditioned; if the unconditioned were removed, there would be no conditioned,” and “the true nature of the conditioned is itself the unconditioned.” Its prison-wall image is exact: when a wall is broken through, the opening is not a second object brought from somewhere else. Freedom appears through the removal of confinement. “Apart from the conditioned, the unconditioned cannot be obtained.” [The corresponding passage is preserved in the Chinese *Mahāprajñāpāramitā-śāstra*](https://www.baus-ebs.org/sutra/fan-read/008/1509/031.htm).

Thus the concept has two safeguards:

- Against complacency: liberation requires the actual exhaustion of bondage, not merely eloquent talk about emptiness. - Against reification: the cessation of bondage must not be turned into an eternal metaphysical possession called “my nirvāṇa.”

This is where unconditioned liberation stands in the entire path to release. Ethical discipline prevents fresh conditions from continually overwhelming the mind. Concentration makes the mind stable and transparent. Wisdom sees impermanence, unsatisfactoriness, non-self, dependent arising, and emptiness. That wisdom abandons the fetters. Unconditioned liberation names the cessation disclosed by that abandonment. The path is conditioned; its liberating activity is conditioned; what is realized through the exhaustion of bondage is called unconditioned.

A Walk-Through in Everyday Life

Imagine that you are commuting after an exhausting day. Your phone displays a message from someone close to you: “We need to talk.” They do not reply to your next message.

First, there is a conditioned event: marks on a screen are seen, language is recognized, memories are activated, and bodily sensations arise. None of this is yet “unconditioned liberation.” The ordinary machinery of perception and cognition is functioning.

Then attachment appears: “I need an answer now.” Aversion follows: “They should not treat me this way.” A view of self gathers around the event: “This proves that I am unwanted,” or “I am the kind of person people abandon.” The problem is no longer just an unanswered message. The mind is trying to extract security, identity, and permanence from an uncertain condition.

A familiar form of temporary relief may occur. You put the phone away, take several slow breaths, and feel calmer. This is valuable, but it is not yet 無為解脫. The trigger has been removed from attention; the active emotion has weakened; the underlying demand may remain intact. If the phone vibrates again, the same structure may immediately return.

Suppose, however, that mindful investigation begins. You notice the pressure in the chest, the mental images of rejection, the urge to check the phone, and the story that treats an unknown future as an established fact. You see that each depends on conditions and changes when those conditions change. This careful seeing is an activity of the path. To the extent that it is informed by liberating discernment rather than suppression, it illustrates the side called 有為解脫: wisdom is actively loosening identification and attachment.

Now walk through the three aspects named in the *Abhidharmakośabhāṣya*:

1. 離界—dispassion: The craving for immediate reassurance is relinquished. This does not mean becoming indifferent to the relationship. It means that care is no longer fused with the demand, “You must regulate my inner life for me.”

2. 斷界—abandonment: Other fetters involved in the episode are cut: resentment, defensive pride, hostile speculation, perhaps the rigid view that one’s fearful story is reality. The important point is that 斷 is not deleting an unpleasant thought by force. It is abandoning the binding structure that makes the thought authoritative.

3. 滅界—cessation: The latent conditions by which greed, hostility, and self-making would continue to be fed are brought to cessation. One no longer rehearses imaginary arguments, searches old messages for evidence, or repeatedly refreshes the screen to sustain the cycle. At the deepest level, the underlying tendencies themselves are exhausted, not merely deprived of expression for one evening.

The next morning, the other person explains that they had a family emergency. You may feel relief, concern, or even some residual irritation. Buddhist liberation is not emotional anesthesia. Feelings, perception, memory, and intelligent response can still function. What ceases is their appropriation by ignorance and craving—the compulsion to turn them into “me,” “mine,” and “what must happen for me to be secure.”

This is also where the most common mapping error occurs. A quiet hour without anxiety is a conditioned state: it arose because the environment, attention, body, and thoughts changed. Unconditioned liberation is not the pleasantness of that hour. Nor is it the act of putting the phone down, the thought “I should let go,” or a blank interval in which nothing is felt. It refers to release from the bondage itself.

The *Mahāprajñāpāramitā-śāstra* then asks us to examine the final subtle attachment. If the mind thinks, “Now I possess detachment; I am spiritually beyond needy people,” craving has simply changed clothes. The imagined unconditioned has become a status used to defend a self. Genuine release leaves no need to build an identity out of release.

The practical result may look remarkably ordinary. You can ask what happened without accusation. You can admit that uncertainty frightened you. You can set a boundary if the relationship is genuinely harmful. Compassion and discernment remain possible precisely because the mind is less occupied with defending an imagined fixed self. Nonattachment does not eliminate responsive action; it frees action from compulsive grasping.

Why Contemporary People Need It

Contemporary life is exceptionally skilled at offering conditioned relief while presenting it as freedom. A platform relieves boredom with another video. Shopping relieves inadequacy with a purchase. Productivity systems relieve anxiety with the feeling of control. Even meditation can be marketed as a way to produce a reliably pleasant internal state.

Such relief is not worthless. Rest, therapy, healthy pleasure, medication, digital boundaries, and contemplative exercises can all be appropriate and beneficial. The Buddhist question is more exacting: has suffering merely lost its present stimulus, or has the mechanism of bondage been understood and abandoned?

An algorithm can learn that outrage keeps a person engaged. It does not have to implant anger from nothing; it only has to present the conditions under which existing tendencies are repeatedly nourished. The Buddhist language of 隨眠 (*anuśaya*, latent tendency) is illuminating here: what is presently quiet may still be disposed to arise and increase when supporting conditions appear.

This is a comparison, not an identity. A Buddhist latent tendency is a soteriological and ethical category, while an algorithmic prediction is a statistical model of behavior. Neuroscience, psychology, and machine learning can study correlations, habits, attention, and behavioral reinforcement, but they do not thereby prove the Buddhist account of liberation. Questions about consciousness, personhood, value, and the complete cessation of affliction exceed what present empirical methods have settled.

Still, the contrast helps us recognize three levels that contemporary culture often confuses:

- Stimulation management: changing the external input so that distress temporarily subsides. - Skillful mental cultivation: training attention, interpretation, emotional regulation, and ethical response. - Liberation: uprooting the ignorance and craving by which experience becomes bondage.

The first can support the second; the second belongs to the path toward the third. But no amount of pleasant stimulation, optimized mood, or refined self-image automatically becomes unconditioned liberation.

This teaching also protects practitioners from despair. If liberation were merely the construction of a permanently perfect mental state, it would be impossible: every conditioned state changes. But the goal is not to freeze experience. It is to end the grasping that demands experience be frozen. Weather continues; the prison is the demand that the weather obey a self.

At the same time, the teaching blocks spiritual bypassing. One cannot declare that “everything is empty” while greed, cruelty, and self-deception continue unexamined. The *Mahāprajñāpāramitā-śāstra* joins conditioned and unconditioned liberations as the fullness of the requisites of liberation: penetrating wisdom and actual abandonment belong together. Insight that leaves the fetters untouched is incomplete; talk of cessation without discerning wisdom is equally hollow.

Its deepest relevance is therefore neither escape nor self-improvement. Self-improvement rearranges the furniture of the conditioned personality. Unconditioned liberation addresses the felt necessity of defending and completing that personality through grasping. It does not make conventional responsibilities disappear. It allows work, love, parenting, grief, and moral courage to proceed without demanding that they furnish an unchanging self.

Common Misreadings and Clarifications

“Unconditioned” means doing nothing. No. The path is full of intentional cultivation: ethics, restraint, mindfulness, concentration, investigation, wisdom, and abandonment. “Unconditioned” describes the cessation realized, not a refusal to undertake the conditioned path. Passivity can itself be governed by ignorance and avoidance.

It is a special trance or permanent feeling of peace. A trance, mood, or felt stillness arises under conditions and therefore belongs to the conditioned. It may be a valuable support, but unconditioned liberation is the cessation of bondage, not the endless continuation of a particular sensation.

The path produces the unconditioned as its result. The path makes realization and abandonment possible, but the unconditioned is not manufactured like a chair. This is why Abhidharma can speak of a “fruit of separation” while denying that the unconditioned itself enters the ordinary causal series. Removing a chain requires causes; the chain’s absence is not another link forged by those causes.

“All afflictions have ceased” merely means that none are visible right now. Temporary non-arising is not exhaustion. Sleep, distraction, social politeness, fear of consequences, or strong concentration can prevent an affliction from appearing while leaving its latent tendency intact. Unconditioned liberation concerns irreversible abandonment. In the *Mahāprajñāpāramitā-śāstra*’s presentation of buddhahood, even the residual habits of affliction are exhausted.

The two treatises make exactly the same claim about residual habits. Their emphases should not be flattened. The *Abhidharmakośabhāṣya* defines unconditioned liberation as the cessation of all 惑—afflictive delusions or fetters. The *Mahāprajñāpāramitā-śāstra*, especially when describing the Buddha’s perfection, explicitly stresses the exhaustion of both afflictions and their 習氣. The second formulation is therefore broader in its stated scope.

Mind-liberation and wisdom-liberation are two forms of the unconditioned. Not in the classification supplied by the *Abhidharmakośabhāṣya*. As members of the 解脫蘊, they are functioning, conditioned liberations. The unconditioned is the cessation they realize, not another cognitive faculty alongside them.

離界, 斷界, and 滅界 are interchangeable synonyms with no internal precision. They all name unconditioned liberation, but from different angles: separation from greed, abandonment of the other fetters, and cessation of what remains as a basis for the increase of greed and other latent tendencies. Their one-to-one definitions must be preserved.

**Unconditioned liberation is identical with 無餘涅槃 (*nirupadhiśeṣa-nirvāṇa*, nirvāṇa without remainder) in every respect.** They overlap in the dimension of cessation, but the terms do different work. “Unconditioned liberation” highlights freedom through the exhaustion of affliction and bondage. In the *Mahāprajñāpāramitā-śāstra*, nirvāṇa without remainder is expressed apophatically: neither arising nor ceasing, neither entering nor leaving, beyond the reach of ordinary conceptual and linguistic determination. One should not casually collapse every use of “liberation,” “cessation,” and “nirvāṇa” into a single undifferentiated label.

The unconditioned is an eternal substance hidden behind changing phenomena. This is precisely the attachment the *Mahāprajñāpāramitā-śāstra* refuses. Conditioned and unconditioned are taught conventionally because the distinction guides practice. Ultimately, neither may be grasped as independently existing. The treatise says that the true nature of the conditioned is the unconditioned and that both are empty. To become attached to “the unconditioned” after becoming disillusioned with conditioned life is to rebuild the prison outside the old wall.

If both are empty, there is no real need to abandon affliction. Emptiness does not cancel dependent consequences. Anger still harms; craving still binds; wisdom still releases. “Empty” means lacking independent, fixed nature—not nonexistent or ethically irrelevant. At the conventional level, the distinction between bondage and liberation is indispensable. At the ultimate level, it cannot become an object of possession.

Liberation makes a person cold or incapable of love. What ceases is clinging, not care. Clinging says, “You must be mine, confirm me, and remain as I require.” Compassion responds to another’s suffering without turning that person into material for self-construction. Because it is less defensive, nonclinging care can be more intimate, more truthful, and more capable of boundaries.

A final textual note matters for accuracy: the supplied material says that both treatises were translated by Xuanzang. That is incorrect. The *Abhidharmakośabhāṣya* T1558 is Xuanzang’s translation, but the Chinese *Mahāprajñāpāramitā-śāstra* T1509 is catalogued as translated by Kumārajīva (鳩摩羅什), as confirmed by the [DILA Buddhist Studies Authority Database](https://authority.dila.edu.tw/catalog/search.php?code=CA0000721) and the [CBETA-linked catalogue record](https://dazangthings.nz/cbc/text/2164/).

The heart of 無為解脫 can therefore be stated without mystification: wisdom travels the path, the fetters are exhausted, and freedom is not turned into a new thing to grasp. One does not acquire an eternal object called liberation. What made experience a prison is no longer there.

Canonical EntryAI-generated

一、定义与核心要义

无为解脱(asaṃskṛta-vimokṣa)指一切烦恼究竟寂灭之无为法性,亦即离系之解脱体。此概念以「有为解脱」相对而立:有为解脱为无漏智相应之胜解,属心行作用;无为解脱则为烦恼灭尽之寂静法性,超越因果造作。二者于体性、功用、是否可立为圣道支等层面皆有所区别。

二、主要阐述

(一)《阿毘达磨俱舍论》之说

此论以颂文「解脱为无为,谓胜解惑灭」确立两种解脱之分判。论释云:「解脱体有二,谓有为、无为。有为解脱谓无学胜解,无为解脱谓一切惑灭。」

在无为之特性方面,颂云「果有为离系,无为无因果」,指出无为法本身超越因果序列,不落因缘造作。此与「一切惑灭」之定义相呼应——惑灭是烦恼灭尽之寂静法性,非由新造作而生,故说无因果。

论又以三界诠释无为解脱:「断等三界,即分前说无为解脱以为自体」——「言离界者,谓但离贪;言断界者,谓断余结;言灭界者,谓灭所余贪等随眠所随增事故」。离界、断界、灭界三者,皆为无为解脱之别名,依所断烦恼之差而立三名。

就解脱之证得而言,颂云「无学心生时,正从障解脱」,指出无学心生起之刹那,即从障碍中正得解脱,与无为解脱之体证相应。

此外,论云「有为解脱名无学支,以立支名依有为故」,唯有为解脱可立为圣道支分;又云「支摄解脱复有二种,即余经言心、慧解脱。应知此二即解脱蕴」,以心解脱、慧解脱为解脱蕴之两种分类,皆属有为。

(二)《大智度论》之说

此论明确以「有为解脱」与「无为解脱」对举。其界说为:有为解脱与无漏智慧相应;无为解脱则为一切烦恼及其习气悉皆穷尽、毫无余留。佛于二种解脱皆究竟圆满,因其智慧最为利彻,烦恼习亦永尽无余。

在修道次第上,论以智慧与断结分别标举二种解脱:与苦法智、比智、尽智等相应者为有为解脱;由苦谛断结乃至无色界思惟结及一切结使尽而得者为无为解脱。诸有为、无为解脱和合,名为「解脱众具足」。

此论更进一步破斥对无为之实体执取:入佛法初门时施设有为之生灭住异及无为之不生不灭不住不异;如实观察时,若不集则不作,不作则不灭,即名无为法如实相。得诸法实相者不堕生灭,不取有为无为之相;断除忆想分别与诸缘,以无缘实智方得安隐常乐涅槃。

论又以相待义明二者关系:「若除有为则无无为,若除无为则无有为」;「有为实相即是无为」,故有为空,无为亦空。若因见有为过患而转着无为,仍可由执着生结使乃至引生不善业,故无为亦不可执为实有。

另一处更明言:破有为法故名无为,并无别异之法;譬如穿破牢狱之墙而出,破壁所显即空,别无另一个空。故「离有为,无为不可得」;有为、无为于第一义中平等,皆归于无相,而且连此一相亦不应执着。佛依世谛分说有为、无为,菩萨于第一义不动,以方便因缘利益众生。

就解脱与涅槃之关系而言,论说有为解脱「属无为、随无为」,故亦得名解脱;无余涅槃则被表述为不生不灭、不入不出、不垢不净、非有非无、非常非无常,常寂灭相,心识观灭、语言道断。

三、不同部类与译本的表述差异

(一)部类差异:《阿毘达磨俱舍论》属毘昙部(阿毘达磨论书),以法相分析方式将解脱体分为有为、无为,并以三界(离、断、灭)作为无为解脱之异名,侧重体性之界定与分类;《大智度论》属释经论部,虽亦用此对举术语,然更侧重破斥对无为之实体执取,强调「有为实相即是无为」「有为无为于第一义中平等」「无为法空」等第一义观。

(二)用词差异:《阿毘达磨俱舍论》以「胜解」特指有为解脱之体,以「惑灭」指无为解脱之体;以「解脱支」专就有为而立,以「解脱体」通有为无为;以「离界、断界、灭界」(三界)为无为解脱之经说异名;以「心解脱、慧解脱」为解脱蕴之两种分类。《大智度论》则以「智相应」(苦法智、比智、尽智等)标有为解脱,以「断结所得」标无为解脱;又以「解脱众具足」总二者和合之相。

(三)译本:以上两部论书皆为玄奘译,未涉及同经异译本用词之分歧。

四、与相关概念的关系

(一)有为解脱:无学胜解,与无漏慧相应,为心行作用,可立为圣道支分(解脱支)。 (二)无学支:唯有为解脱可立为支,以「支」依有为而立;无为解脱因无为性故不立为支。 (三)解脱蕴:含心解脱、慧解脱,皆属有为,以「胜解」摄此二种。 (四)三界:离界、断界、灭界,为无为解脱之异名,依所断烦恼之差而立。 (五)涅槃:无为解脱记录烦恼习尽之断证义;无余涅槃被表述为不生不灭、心识观灭、语言道断。 (六)实相:得诸法实相者不取有为无为之相,断忆想分别,以无缘实智得安隐常乐涅槃。

五、代表性原文引用

1.《阿毘达磨俱舍论》颂:「解脱为无为,谓胜解惑灭。」「有为无学支。」「果有为离系,无为无因果。」「无学心生时,正从障解脱。」

2.《阿毘达磨俱舍论》释:「解脱体有二,谓有为、无为。有为解脱谓无学胜解,无为解脱谓一切惑灭。」「有为解脱名无学支,以立支名依有为故。」「支摄解脱复有二种,即余经言心、慧解脱。应知此二即解脱蕴。」「断等三界,即分前说无为解脱以为自体。言离界者,谓但离贪;言断界者,谓断余结;言灭界者,谓灭所余贪等随眠所随增事故。」

3.《大智度论》:「有为解脱」与无漏智慧相应;「无为解脱」则一切烦恼及其习气悉皆穷尽、毫无余留。

4.《大智度论》:与苦法智、比智、尽智等相应者为有为解脱;由苦谛断结乃至一切结使尽而得者为无为解脱;和合名「解脱众具足」。

5.《大智度论》:「若除有为则无无为,若除无为则无有为。」「有为实相即是无为」,故有为空,无为亦空;得诸法实相者不堕生灭,不取有为无为之相。

6.《大智度论》:破有为法故名无为,并无别异之法;「离有为,无为不可得」;有为、无为于第一义中平等,皆归无相。

7.《大智度论》:有为解脱「属无为、随无为」,亦得名解脱;无余涅槃为不生不灭、不入不出、心识观灭、语言道断之常寂灭相。

By SutraAI-generated

大智度論T1509 · 釋經論部

《大智度論》論「無為解脫」,首先以二分框架立義:解脫有二種,「有為解脫」與「無為解脫」。論中明確定義:「有為解脫名無漏智慧相應解脫,無為解脫名一切煩惱習都盡無餘。」 有為解脫側重無漏智慧之相應作用,無為解脫則指煩惱及其習氣徹底斷盡、無有殘餘之究竟狀態。此二分非對立,而是和合名為「解脫眾具足」。

在修道次第上,論中將無為解脫安置於見諦道與思惟道之具體證得中:見諦道中得「深十六解脫」,奇數為有為解脫(如「苦法智相應有為解脫」),偶數為無為解脫(如「苦諦斷十結盡,得無為解脫」);思惟道中得十八解脫,結構相同,末後「一切結使盡,得無為解脫」。無為解脫在此並非抽象理境,而是每一階段斷惑所證之實際果德。

論中又從觀行角度指出:「若觀無為法,於有為得離。」 觀無為即所以離有為之生滅束縛,此為無為解脫之實踐入口。

更進一步,論中揭示有為與無為之不二關係:「有為法實相即是無為,無為相者則非有為,但為眾生顛倒故分別說。」 有為相為生、滅、住、異,無為相為不生、不滅、不住、不異;若得諸法實相,則「不見有為法與無為法合,不見無為法與有為法合」,於二者皆不取相,是為真無為法。論中特以「不取相」為無為法之實踐要旨,並警告若著無為法亦能生結使、墮惡道,故說「無為法空」。

論中復引佛說「非有為、非無為」,以牢獄穿牆為喻:「破壁是空,更無異空」,有為法中先有無為性,破有為即是無為,「離有為,無為不可得」。有為、無為性「皆不合不散,一相,所謂無相」;「有為、無為法平等,即是第一義」。無為解脫之究竟義,於此歸於平等無相之第一義諦。

最後,論中以佛之「解脫無減」彰顯無為解脫之圓滿:聲聞、辟支佛「煩惱不悉盡故」解脫有減,佛「煩惱習永盡無餘故,解脫無減」。無為解脫之「無減」,正在習氣永盡無餘一點上與二乘拉開距離。

阿毘達磨俱舍論T1558 · 毘曇部

《阿毘達磨俱舍論》論無為解脫,首先確立解脫之體有二:有為與無為。論中明言「解脫體有二,謂有為、無為」,其中「有為解脫謂無學勝解,無為解脫謂一切惑滅」。此即本論對無為解脫最核心的界定——無為解脫非別有一法,而是一切煩惱滅盡之當體。頌文亦云「解脫為無為,謂勝解惑滅」,以「惑滅」直標無為解脫之實義。

就因果而言,本論以「果有為離繫,無為無因果」一頌點出無為法之根本性格:無為解脫既非因所生,亦不更作因,離於有為生滅因果之鏈;有為果則以離繫(脫離煩惱繫縛)為其相。此處「離繫」一詞即本論用以描述有為果位解脫的術語,與無為之「無因果」形成對照。

就修證階位而言,本論嚴格區分有學與無學。有學位中「尚有餘縛未解脫故無解脫支」,不得立解脫支;必待無學「已脫諸煩惱縛」,方能起二種了解脫智,由二顯了而立二支。頌云「學有餘縛故,無正脫智支」,明有學雖有解脫之少分,然非全脫,故不立正解脫智支。又「無學心生時,正從障解脫」,指出無學心初起之剎那,即是正從障礙解脫之時。

本論復以「三界」釋無為解脫之體。論曰:「斷等三界,即分前說無為解脫以為自體。」其中「離界者,謂但離貪;斷界者,謂斷餘結;滅界者,謂滅所餘貪等隨眠所隨增事故」,而總結云「經說三界即無為解脫」。此處本論將契經所說離界、斷界、滅界三者,統攝為無為解脫之異名,以離貪、斷結、滅隨眠三義分別詮釋無為解脫的不同面向。

就支攝而言,本論指出「有為解脫名無學支,以立支名依有為故」,無為解脫雖是解脫之體,然不立支名,支名唯依有為法而立。支攝解脫復有心解脫、慧解脫二種,即解脫蘊所攝;而解脫蘊之體,本論載有異說:或謂非唯勝解,有餘師說「由真智力遣貪瞋癡,即心離垢名解脫蘊」。此處本論以「勝解」稱有為解脫,以「惑滅」稱無為解脫,術語用法明確,與他經或以「涅槃」直稱無為解脫者有別。

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