(30steps total)
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At:
Ramsey-base-case
1
1
1
1
1.
L:
List
2.
n:
3.
sum(L[i]-1 | i < ||L||)+1
n
4.
G:
{s:(
n List)| ||s|| = 1
& (
x,y:
||s||. x < y
s[x] < s[y]) }
||L||
5.
p:
||L||
(
List)
6.
sum(||p(j)|| | j < ||L||) = n
7.
j:
||L||, x,y:
||p(j)||. x < y
(p(j))[x] > (p(j))[y]
8.
j:
||L||, x:
||p(j)||. (p(j))[x] < n & (
x.G([x]))((p(j))[x]) = j
9.
c:
||L||. L[c]
||p(c)||
c:
||L||, f:(
L[c]
n). increasing(f;L[c]) & (
s:
L[c]. G([(f(s))]) = c)
By:
ParallelOp -1
Generated subgoals:
1
9.
c:
||L||
10.
L[c]
||p(c)||
f:(
L[c]
n). increasing(f;L[c]) & (
s:
L[c]. G([(f(s))]) = c)
11
steps
 
2
9.
c:
||L||
10.
L[c]
||p(c)||
11.
c1:
||L||
12.
f:
L[c1]
n
13.
increasing(f;L[c1])
14.
s:
L[c1]
[(f(s))]
{s:(
n List)| ||s|| = 1
& (
x,y:
||s||. x < y
s[x] < s[y]) }
1
step
About:
(30steps total)
PrintForm
Definitions
Lemmas
graph
1
2
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Doc