Nuprl Lemma : per-void_wf
per-void() ∈ Type
Proof
Definitions occuring in Statement :
per-void: per-void(),
member: t ∈ T,
universe: Type
Definitions unfolded in proof :
per-void: per-void(),
member: t ∈ T,
uall: ∀[x:A]. B[x],
prop: ℙ
Lemmas referenced :
sqle_wf_base
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
cut,
lemma_by_obid,
sqequalHypSubstitution,
isectElimination,
thin,
baseClosed,
hypothesis,
pertypeEquality
Latex:
per-void() \mmember{} Type
Date html generated:
2016_05_13-PM-03_53_24
Last ObjectModification:
2016_01_14-PM-07_16_00
Theory : per!type
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