(14steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
At:
decidable
ex
int
seg
1
1.
i:
2.
j:
3.
F:
{i..j
}
Prop
4.
k:{i..j
}. Dec(F(k))
Dec(
k:{i..j
}. F(k))
By:
Decide (i
j)
Generated subgoals:
1
5.
i
j
Dec(
k:{i..j
}. F(k))
2
5.
i
j
Dec(
k:{i..j
}. F(k))
About:
(14steps)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
j
Dec(
k:{i..j
}. F(k))
ij Dec(k:{i..j}. F(k))
}
Prop
k:{i..j}. Dec(F(k)) Dec(k:{i..j}. F(k))j)j Dec(k:{i..j}. F(k))ij Dec(k:{i..j}. F(k))
