Nuprl Lemma : btrue_wf
tt ∈ 𝔹
Proof
Definitions occuring in Statement : 
btrue: tt
, 
bool: 𝔹
, 
member: t ∈ T
Definitions unfolded in proof : 
btrue: tt
, 
bool: 𝔹
, 
member: t ∈ T
Lemmas referenced : 
it_wf, 
unit_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
Error :inlEquality_alt, 
cut, 
introduction, 
extract_by_obid, 
hypothesis, 
Error :universeIsType
Latex:
tt  \mmember{}  \mBbbB{}
Date html generated:
2019_06_20-AM-11_19_50
Last ObjectModification:
2018_09_27-PM-06_23_29
Theory : basic_types
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