By: |
Thm* P:(Prop). Thm* (a:, b:{...a}. P(a,b)) Thm* Thm* (a:, b:{a+1...}. (c:{a..b}. P(a,c)) P(a,b)) (a,b:. P(a,b)) |
1 |
6. b : {...a} 7. e : {a..b}A 8. i:{a..b}. e(i) = u (Iter(f;u) i:{a..b}. e(i)) = u | 1 step |
2 |
6. b : {a+1...} 7. c:{a..b}, e:({a..c}A). 7. (i:{a..c}. e(i) = u) (Iter(f;u) i:{a..c}. e(i)) = u 8. e : {a..b}A 9. i:{a..b}. e(i) = u (Iter(f;u) i:{a..b}. e(i)) = u | 4 steps |
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