(27steps)
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discrete
jlc
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At:
discrete
union
1
1
2
1
1.
T1:
Type{i}
2.
T2:
Type{j}
3.
x,y:T1. Dec(x = y)
4.
x,y:T2. Dec(x = y)
5.
y:
T2
6.
x1:
T1
inr(y) = inl(x1)
T1+T2
By:
Analyze 0
Generated subgoal:
1
7.
inr(y) = inl(x1)
T1+T2
False
About:
(27steps)
PrintForm
Definitions
discrete
jlc
Sections
Support(jlc)
Doc