Nuprl Lemma : dl-conj_wf

∀[L:Prop List]. (dl-conj(L) ∈ Prop)


Proof




Definitions occuring in Statement :  dl-conj: dl-conj(L),  dl-prop: Prop,  list: T List,  uall: ∀[x:A]. B[x],  member: t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  dl-conj: dl-conj(L)
Lemmas referenced :  reduce_wf,  dl-prop_wf,  dl-and_wf,  dl-true_wf,  list_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  introduction,  cut,  sqequalRule,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesis,  lambdaEquality_alt,  hypothesisEquality,  inhabitedIsType,  universeIsType,  axiomEquality,  equalityTransitivity,  equalitySymmetry

Latex:
\mforall{}[L:Prop  List].  (dl-conj(L)  \mmember{}  Prop)



Date html generated: 2019_10_15-AM-11_45_46
Last ObjectModification: 2019_05_06-PM-04_44_19

Theory : dynamic!logic


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