(8steps) PrintForm Definitions Lemmas int 2 Sections StandardLIB Doc

At: int seg ind 1

1. i:
2. j: {i+1...}
3. E: {i..j}Prop
4. E(i)
5. k:{(i+1)..j}. E(k-1) E(k)

k:{i..j}. E(k)

By: BackThruLemmaWithUnfolds Thm* i:, j:{i...}. WellFnd{u}({i..j};x,y.x < y) [`wellfounded`]

Generated subgoal:

1 j@0:{i..j}. (k:{i..j}. k < j@0 E(k)) E(j@0)


About:
intnatural_numberaddsubtractless_thanfunctionpropimpliesall

(8steps) PrintForm Definitions Lemmas int 2 Sections StandardLIB Doc