1 | increasing( x.x;L[i]) & ( s: L[i] List. ||s|| = k  ( x,y: ||s||. x < y  s[x] < s[y])  G(map( x.x;s)) = i) | 5 steps |
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2 | 8. f: L[i]  n (increasing(f;L[i]) & ( s: L[i] List. ||s|| = k  ( x,y: ||s||. x < y  s[x] < s[y])  G(map(f;s)) = i)) Prop | 1 step |
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3 | 8. c: ||L|| ( f:( L[c]  n). increasing(f;L[c]) & ( s: L[c] List. ||s|| = k  ( x,y: ||s||. x < y  s[x] < s[y])  G(map(f;s)) = c)) Prop | 1 step |