(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:
1
6.
k:{i..j
}. F(k)
False
About:
(8steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc