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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