At:
non nil is member
1
1
1
1
1.
T: Type
2.
eq: {T
}
3.
eq 
T
T
4.
x:T. eq(x,x)
5.
x,y:T. eq(x,y) 
eq(y,x)
6.
x,y,z:T. eq(x,y) 
eq(y,z) eq(x,z)
7.
L: T List
8.
(nil = nil T List)False
9.
nil = nil T List
x:T. x(eq) nil
By:
FwdThru -2 [-1]
THEN
Trivial
Generated subgoals:
None
About:
