Step of Proof: decidable__equal_bool
9,38
postcript
pdf
Inference at
*
1
I
of proof for Lemma
decidable
equal
bool
:
1.
a
:
2.
b
:
Dec(
a
=
b
)
latex
by ((Unfold `decidable` 0)
CollapseTHEN (AllBoolInd))
latex
C
1
:
C1:
(no hyps)
C1:
(tt = tt)
(
(tt = tt))
C
2
:
C2:
(no hyps)
C2:
(ff = tt)
(
(ff = tt))
C
3
:
C3:
(no hyps)
C3:
(tt = ff)
(
(tt = ff))
C
4
:
C4:
(no hyps)
C4:
(ff = ff)
(
(ff = ff))
C
.
Definitions
Dec(
P
)
,
t
T
,
Unit
,
,
ff
,
tt
,
origin