Nuprl - Proof: increasing is id 1 1 1 1 1 1

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At: increasing is id 1 1 1 1 1 1

1. k :

2. 0<k
3.

f:(

(k-1)

(k-1)). increasing(f;k-1)

(

(k-1). f(i) = i)
4. f :

k
5. increasing(f;k)
6.

k
7.

(k-1)
8. f(k-1)<k
9. i1 :

(k-1)
10.

x,y:

k. x<y

f(x)<f(y)

f(i1)

(k-1)

By:	InstHyp [i1;k-1] -1

Generated subgoals:

None

About:

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html