Nuprl Lemma : aa_hw3-3a
P:
. (
(P 
(P)))
Proof
Definitions occuring in Statement :
prop: ,
all: x:A. B[x],
not: A,
or: P Q
Definitions :
member: t 
T,
false: False,
implies: P 
Q,
not: A,
prop: ,
all: x:A. B[x],
guard: {T},
or: P Q,
uall: [x:A]. B[x]
Lemmas :
or_wf,
not_wf
\mforall{}P:\mBbbP{}. (\mneg{}\mneg{}(P \mvee{} (\mneg{}P)))
Date html generated:
2013_03_20-AM-09_48_39
Last ObjectModification:
2012_11_27-AM-10_32_02
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