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
Rules used in proof : 
sqequalSubstitution, 
sqequalRule, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
cut, 
lemma_by_obid, 
sqequalHypSubstitution, 
dependent_functionElimination, 
thin, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
hypothesis
Latex:
(0)!  \msim{}  1
Date html generated:
2016_05_15-PM-04_04_45
Last ObjectModification:
2015_12_27-PM-03_03_38
Theory : general
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