Nuprl Lemma : church-zero_wf2
cZ ∈ INat
Proof
Definitions occuring in Statement : 
indNat: INat
, 
church-zero: cZ
, 
member: t ∈ T
Definitions unfolded in proof : 
indNat: INat
, 
member: t ∈ T
Lemmas referenced : 
church-zero_wf, 
church-iZ
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
dependentIntersection_memberEquality, 
cut, 
introduction, 
extract_by_obid, 
hypothesis
Latex:
cZ  \mmember{}  INat
Date html generated:
2020_05_20-AM-08_05_51
Last ObjectModification:
2019_11_15-PM-10_42_12
Theory : general
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