Nuprl Lemma : fact0_redex_lemma
(0)! ~ 1
Proof
Definitions occuring in Statement :
fact: (n)!,
natural_number: $n,
sqequal: s ~ t
Definitions unfolded in proof :
fact: (n)!,
all: ∀x:A. B[x],
member: t ∈ T,
top: Top
Lemmas referenced :
primrec0_lemma,
istype-void
Rules used in proof :
sqequalSubstitution,
sqequalRule,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
cut,
introduction,
extract_by_obid,
sqequalHypSubstitution,
dependent_functionElimination,
thin,
Error :isect_memberEquality_alt,
voidElimination,
hypothesis
Latex:
(0)! \msim{} 1
Date html generated:
2019_06_20-PM-02_30_01
Last ObjectModification:
2019_01_27-PM-05_29_25
Theory : num_thy_1
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