Nuprl Lemma : dl-true_wf
dl-true() ∈ Prop
Proof
Definitions occuring in Statement :
dl-true: dl-true(),
dl-prop: Prop,
member: t ∈ T
Definitions unfolded in proof :
dl-true: dl-true(),
member: t ∈ T,
uall: ∀[x:A]. B[x]
Lemmas referenced :
dl-implies_wf,
dl-false_wf
Rules used in proof :
sqequalSubstitution,
sqequalRule,
sqequalReflexivity,
sqequalTransitivity,
computationStep,
cut,
introduction,
extract_by_obid,
sqequalHypSubstitution,
isectElimination,
thin,
hypothesis
Latex:
dl-true() \mmember{} Prop
Date html generated:
2019_10_15-AM-11_45_41
Last ObjectModification:
2019_05_06-PM-04_41_04
Theory : dynamic!logic
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