(8steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
At:
decidable
all
int
seg
1
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)
6.
k:{i..j
}. F(k)
False
By:
Analyze 5
THEN
With k (Analyze -1)
Generated subgoals:
None
About:
(8steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
}
Prop
k:{i..j}. Dec(F(k))
k:{i..j}. 
F(k)k:{i..j}. F(k)
False
