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

At: decidable all int seg 1 1 1 1

1. i:
2. j:
3. F: {i..j}Prop
4. k:{i..j}. Dec(F(k))
5. k:{i..j}. F(k)

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

By:
Sel 2 (Analyze 0)
THEN
Analyze 0


Generated subgoal:

16. k:{i..j}. F(k)
False


About:
intapplyfunctionproporfalseallexists

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