{ 
[es:EO]. [P,Q:E 
]. [f:{e:E| P e} {e:E| Q e} ]. (Q 
f P 
) }
{ Proof }
Definitions occuring in Statement :
antecedent-surjection: Q f P,
es-E: E,
event_ordering: EO,
uall: [x:A]. B[x],
prop: ,
member: t T,
set: {x:A| B[x]} ,
apply: f a,
function: x:A B[x]
Definitions :
uall: [x:A]. B[x],
prop: ,
member: t T,
antecedent-surjection: Q f P,
and: P 
Q,
all: x:A. B[x],
exists: 
x:A. B[x]
Lemmas :
antecedent-function_wf,
es-E_wf,
event_ordering_wf
\mforall{}[es:EO]. \mforall{}[P,Q:E {}\mrightarrow{} \mBbbP{}]. \mforall{}[f:\{e:E| P e\} {}\mrightarrow{} \{e:E| Q e\} ]. (Q \mleftarrow{}\mleftarrow{}{} f{}{} P \mmember{} \mBbbP{})
Date html generated:
2011_08_16-AM-11_12_18
Last ObjectModification:
2011_06_20-AM-00_20_15
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