{ 
[x:Expression]. exppair-fst(x) 
Expression supposing 
exppair?(x) }
{ Proof }
Definitions occuring in Statement :
exppair-fst: exppair-fst(x),
exppair?: exppair?(x),
expression: Expression,
assert: b,
uimplies: b supposing a,
uall: [x:A]. B[x],
member: t T
Definitions :
uall: [x:A]. B[x],
expression: Expression,
uimplies: b supposing a,
assert: b,
exppair?: exppair?(x),
member: t T,
exppair-fst: exppair-fst(x),
implies: P 
Q,
bfalse: ff,
btrue: tt,
ifthenelse: if b then t else f fi ,
false: False,
expbase: val,
prop: 
,
exppair: fst,snd,
expapply: fun(arg)
Lemmas :
expression_wf,
false_wf,
true_wf,
assert_wf,
exppair?_wf
\mforall{}[x:Expression]. exppair-fst(x) \mmember{} Expression supposing \muparrow{}exppair?(x)
Date html generated:
2011_08_17-PM-04_34_30
Last ObjectModification:
2011_06_18-AM-11_46_58
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