(8steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
At:
decidable
all
int
seg
1
1
1
2
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)
By:
RWW "not_over_exists dneg_elim_a" 5
Generated subgoals:
None
About:
(8steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc