Nuprl Lemma : testxxx_lemma
∀b:Top. (tt ∨bb ~ tt)
Proof
Definitions occuring in Statement :
bor: p ∨bq,
btrue: tt,
top: Top,
all: ∀x:A. B[x],
sqequal: s ~ t
Definitions unfolded in proof :
all: ∀x:A. B[x],
btrue: tt,
bor: p ∨bq,
ifthenelse: if b then t else f fi ,
member: t ∈ T
Lemmas referenced :
top_wf
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
lambdaFormation,
cut,
sqequalRule,
hypothesis,
lemma_by_obid
Latex:
\mforall{}b:Top. (tt \mvee{}\msubb{}b \msim{} tt)
Date html generated:
2016_05_13-PM-03_59_27
Last ObjectModification:
2015_12_26-AM-10_50_29
Theory : bool_1
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