Documentation

Linglib.Semantics.ArgumentStructure.RoleList

Argument-structure templates #

[Lev93] [Dow91] [Bea10] [BKG20] [RHL98]

A RoleList pairs a subject with an optional object EntailmentProfile — the argument-structure generalization a whole verb class shares. The named templates are the class-level consensus rows (manner vs result vs creation vs psych ...); the map from [Lev93]'s class inventory onto them lives with the classes (Semantics/Verb/Class.lean), and individual verbs can override via explicit subjectEntailments/objectEntailments on Verb.

A verb class's semantic role list, in realization order: the subject's entailment set, then the object's (none for intransitives). The stored order records the class's attested linking; the ASP derives it wherever dominance is strict, and it is a genuine lexical choice exactly at the alternation ties (the psych doublets) — see roleList_linking_asp_sanctioned in Semantics/Verb/Class.lean.

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    def ArgumentStructure.instDecidableEqRoleList.decEq (x✝ x✝¹ : RoleList) :
    Decidable (x✝ = x✝¹)
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        The role list as a list, subject first ([LRH05] ch. 2's presentation shape).

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          Named per-class argument profiles. These are the class-level consensus rows formerly hand-stored per verb in EntailmentProfile.lean; consumers (studies, fragments) reference these or the template accessors below.

          Experiencer argument: sentient with respect to the event, without volition or causation ([Dow91] (38): "the Experiencer is entailed to be sentient/perceiving"); independent existence per the p. 573 generalization that every verb entailing any of (27a–d) also entails subject existence.

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            Stimulus argument: causes the experience without being sentient with respect to it ([Dow91] (38): "the Stimulus causes some emotional reaction or cognitive judgment in the Experiencer ... though the Stimulus is not [entailed to be sentient/perceiving]").

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              Contacted-but-unaffected object of the surface-contact classes: CA+St, no CoS. [Dow91] never attributes a change of state to hit-class objects ((64 III): no Incremental Theme, no CoS for either non-subject argument); [Bea11] eq. (60c): impact verbs impose only potential for change.

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                Created object: CoS+IT+CA+DE — incremental theme with dependent existence ([Dow91] (30e)(i): the effected argument "does not exist before ... the event").

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                  Consumed object: CoS+IT+CA — incremental theme without DE (the object pre-exists the event). The missing DE is load-bearing for the Grimm bridge: PersistenceLevel.fromPatientProfile separates creation (DE+IT → exPersEnd) from consumption (IT alone → exPersBeginning); see Studies/Dowty1991.lean for the (30e) destruction-criterion tension.

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                    Full agent acting on a contacted but unaffected object. Subject: V+S+C+M+IE. Object: CA+St (no CoS). [Bea10]: "unspecified" affectedness — the verb's truth conditions don't entail a change of state in the object. [BKG20]: manner verbs lack result entailments.

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                      Full agent causing change of state in the object. Subject: V+S+C+M+IE. Object: CoS+CA (causally affected, changed). [Bea10]: "quantized" affectedness — the verb entails a definite change of state (the object reaches an end state). [BKG20]: result verbs entail CoS.

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                        Full agent creating an entity (object comes into existence). Subject: V+S+C+M+IE. Object: CoS+IT+CA+DE. [Bea10]: quantized affectedness + dependent existence. The object is an incremental theme whose extent measures the event.

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                          Agent consuming/destroying an incremental theme (Levin 39.1 eat verbs: eat, drink; 39.4 devour verbs: devour, consume, ingest). Subject: V+S+C+M+IE. Object: CoS+IT+CA. Like creation but without dependent existence (the object pre-exists the event).

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                            Self-propelled motion (no caused result, no object). Subject: V+S+M+IE (no causation — the mover doesn't cause a change in another participant).

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                              Perception / experiencer-subject. Subject: S+IE (sentient, independently existing, but not volitional or causal).

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                                Stimulus-experiencer (Class II psych, Levin 31.1 amuse verbs; [BR88]). Subject: C+IE (causal stimulus). Object: S+IE (experiencer). Mirror image of psychState.

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                                  Experiencer-subject psych state (Levin 31.2 admire verbs: admire, like, love, fear, envy). Subject: sentient experiencer; object: causing stimulus — [Dow91] (38): the predicate "entails that the Experiencer has some perception of the Stimulus", and the Stimulus "causes some emotional reaction or cognitive judgment in the Experiencer". Mirror image of psychCausal — the argument-selection tie behind the like/please doublets (§8.3). Distinct from desire: admire-class subjects are sentience-entailed, want-class subjects are not.

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                                    Desire states (Levin 32.1 want verbs: covet, crave, desire, need, want). Subject: independent existence ALONE — [Dow91] (29e) "John needs a new car", glossed p. 573 as "verbs that entail subject existence but have none of (a)–(d)": NO sentience entailment, unlike the admire class (this situation needs a solution). Object: de dicto/nonspecific, so dependent existence — (30e) "John needs a car/seeks a unicorn ... (de dicto objects: no existence)".

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                                      Change of possession (Levin 13.1 give verbs: give, lend, pass, sell; 13.5 verbs of obtaining: buy, get, obtain). Subject: volitional agent without entailed movement (V+S+C+IE) — [Dow91] §3.2: "both buyer and seller must act agentively (voluntarily)". Buyer and seller profiles are identical; that is the §8.3 argument-selection tie behind the buy/sell doublet. No object profile: Dowty flags the goods/currency "two Themes" worry (§3.2) and attributes no object entailments.

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                                        Surface-contact manner (Levin 10.4.1 wipe verbs, manner subclass: wipe, scrub, sweep, rub, wash). Subject: M+IE only — underspecified for volition, so agentivity is pragmatically resolved ([RHL98] on sweep; [Dow91] never discusses sweep). Object: contacted, no entailed change ([Bea10] potential affectedness).

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                                          Instrument subclass of the wipe verbs (Levin 10.4.2: brush, comb, mop, vacuum; [RHL98]'s sweep with a broom): instrument lexicalization forces an obligatory volitional agent (V+S+C+M+IE). Not in the class map — LevinClass.roleList .wipe gives the manner subclass default; instrument-sense entries override per verb.

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                                            Unaccusative change of state (inchoative). Subject: CoS+CA (undergoes change, no agentive features). No external argument.

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                                              Directed motion (unaccusative). Subject: M+IE+CoS (moves, changes location).

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                                                Disappearance (Levin 48.2: die, disappear, expire, perish, vanish — "describe the disappearance or going out of existence of some entity"). Sole argument: CoS+CA+DE — like unaccusativeCoS plus dependent existence, since the argument goes out of existence ([Dow91] (30e)(i): the effected argument "will not exist after the event").

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                                                  Hit-class object lacks CoS (manner verbs don't entail change of state) — the Beavers & Koontz-Garboden generalization that manner roots lack result entailments, read off the class-level template.

                                                  Hit-class object → patient label (CA+St maps to patient).

                                                  Directed-motion subject → patient: the unaccusative subject of arrive undergoes a change of location (changeOfState) without agentivity. Formerly none (the moving subject was dropped); toRole now restores it.

                                                  Admire-class subject → experiencer, and its stimulus object matches the amuse-class subject exactly — the doublet mirror ([Dow91] (38)).

                                                  Disappearance-class subject → patient (pure Proto-Patient: die).

                                                  [Gri11]'s persistence bridge (PersistenceLevel.fromPatientProfile) evaluated on the class-level object profiles — the canonical placements consumed by Studies/Grimm2011.lean and Studies/Beavers2010.lean.

                                                  Contact objects (kick, hit): no entailed change → total persistence. Follows [Bea11] eq. (60c) on surface contact; [Gri11]'s own Fig. 5 instead places contact objects at quPersBeginning.

                                                  Disappearance-class subjects (die, vanish), read as patients: cease to exist → exPersBeginning.