(6steps)
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At:
decidable
iff
exists
bool
function
1
1.
T:
Type
2.
P:
T
Prop
3.
x:T. Dec(P(x))
f_p:(T
).
x:T. P(x)
f_p(x)
By:
Repeat (Unfolds [`decidable`;`or`;`not`;`all`;`implies`] 3)
THEN
RenameVar `g' 3
Generated subgoal:
1
3.
g:
x:T
P(x)+(P(x)
False)
f_p:(T
).
x:T. P(x)
f_p(x)
About:
(6steps)
PrintForm
Definitions
core
3
jlc
Sections
Support(jlc)
Doc