Nuprl Lemma : bool-tt-or-ff
∀b:𝔹. (b = tt ∨ b = ff)
Proof
Definitions occuring in Statement :
bfalse: ff,
btrue: tt,
bool: 𝔹,
all: ∀x:A. B[x],
or: P ∨ Q,
equal: s = t ∈ T
Lemmas :
bool_cases,
bool_wf
\mforall{}b:\mBbbB{}. (b = tt \mvee{} b = ff)
Date html generated:
2015_07_17-AM-09_09_32
Last ObjectModification:
2015_01_27-PM-00_44_59
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