Step of Proof: btrue_neq_bfalse
9,38
postcript
pdf
Inference at
*
1
I
of proof for Lemma
btrue
neq
bfalse
:
1. tt = ff
False
latex
by ((ApFunToHypEquands `x' if
x
then 1 else 0 fi
1)
CollapseTHENA ((Auto_aux (first_nat 1:n
C
) ((first_nat 1:n),(first_nat 3:n)) (first_tok :t) inil_term)))
latex
C
1
:
C1:
2. if tt then 1 else 0 fi = if ff then 1 else 0 fi
C1:
False
C
.
Definitions
t
T
,
x
:
A
.
B
(
x
)
Lemmas
bool
wf
,
ifthenelse
wf
origin