(2steps total)
PrintForm
Definitions
graph
1
1
Sections
Graphs
Doc
At:
no
repeats
inj
T:Type, s:T List. no_repeats(T;s)
(
f:(
||s||
T). Inj(
||s||; T; f))
By:
Unfolds [`inject`;`no_repeats`] 0
THEN
InstConcl [
i.s[i]]
THEN
Reduce 0
THEN
SupposeNot
Generated subgoal:
1
1.
T:
Type
2.
s:
T List
3.
i,j:
. i < ||s||
j < ||s||
i = j
s[i] = s[j]
4.
a1:
||s||
5.
a2:
||s||
6.
s[a1] = s[a2]
7.
a1 = a2
a1 = a2
1
step
About:
(2steps total)
PrintForm
Definitions
graph
1
1
Sections
Graphs
Doc