(13steps)
PrintForm
Definitions
core
3
jlc
Sections
Support(jlc)
Doc
At:
discrete
equality
is
equivalence
1
4
1
1.
T:
Type
2.
EQ:
{T=
}
3.
EQ
T
T
4.
x,y:T. EQ(x,y)
x = y
5.
x:
T
6.
y:
T
7.
EQ(y,x)
8.
EQ(y,x)
y = x
9.
EQ(x,y)
x = y
EQ(x,y)
By:
Assert (x = y
y = x)
Generated subgoals:
1
x = y
y = x
2
10.
x = y
y = x
EQ(x,y)
About:
(13steps)
PrintForm
Definitions
core
3
jlc
Sections
Support(jlc)
Doc
x = y 
y = x
}
T
T
x,y:T. EQ(x,y) 
