Nuprl Lemma : dl-Spec_wf
dl-Spec() ∈ MutualRectypeSpec
Proof
Definitions occuring in Statement :
dl-Spec: dl-Spec(),
mrec_spec: MutualRectypeSpec,
member: t ∈ T
Definitions unfolded in proof :
mrec_spec: MutualRectypeSpec,
dl-Spec: dl-Spec(),
member: t ∈ T,
uall: ∀[x:A]. B[x]
Lemmas referenced :
cons_wf,
list_wf,
nat_wf,
istype-atom,
nil_wf,
istype-universe,
unit_wf2
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
sqequalRule,
cut,
instantiate,
introduction,
extract_by_obid,
sqequalHypSubstitution,
isectElimination,
thin,
productEquality,
cumulativity,
atomEquality,
unionEquality,
universeEquality,
hypothesis,
independent_pairEquality,
tokenEquality,
inrEquality_alt,
unionIsType,
inlEquality_alt
Latex:
dl-Spec() \mmember{} MutualRectypeSpec
Date html generated:
2019_10_15-AM-11_39_04
Last ObjectModification:
2019_03_26-AM-11_24_02
Theory : dynamic!logic
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