Step of Proof: inv_image_ind_tp
9,38
postcript
pdf
Inference at
*
1
1
1
I
of proof for Lemma
inv
image
ind
tp
:
1.
T
: Type
2.
r
:
T
T
3.
S
: Type
4.
f
:
S
T
5. WellFnd{i}(
T
;
x
,
y
.
r
(
x
,
y
))
6.
P
:
S
7.
j
:
S
. (
k
:
S
.
r
(
f
(
k
),
f
(
j
))
P
(
k
))
P
(
j
)
8.
n
:
S
P
(
n
)
latex
by (PushArgs
[`f`,term_to_arg
f
;`T`,term_to_arg
T
;`n`,var_to_arg `n'
;`nn`,var_to_arg `nn'
;`
;`S`,term_to_arg
S
;`i`,int_to_arg 8
;`RangeIndTac`, tactic_text_to_arg (
;`
itext_term "(WFndHypInd 5 (-1))")
])
latex
])
1
:
])1:
P
(
n
)
])
.
origin