Step of Proof: fib_wf
11,40
postcript
pdf
Inference at
*
1
2
I
of proof for Lemma
fib
wf
:
.....falsecase..... NILNIL
1.
n
:
2.
n1
:
. (
n1
<
n
)
(fib(
n1
)
)
3. (
(
n
= 0)) & (
(
n
= 1))
fib(
n
- 1)+fib(
n
- 2)
latex
by ((BLemma `add_nat_wf`)
CollapseTHEN (((BHyp 2) THEN (Auto_aux (first_nat 1:n) ((first_nat 2:n
C
),(first_nat 3:n)) (first_tok :t) inil_term))))
latex
C
.
Definitions
False
,
A
B
,
A
,
t
T
,
P
Q
,
,
,
P
&
Q
,
x
:
A
.
B
(
x
)
Lemmas
le
wf
,
add
nat
wf
origin