(6steps total)
PrintForm
Lemmas
ElisTarskiPf
B
Sections
NuprlLIB
Doc
At:
reps
wf2
1
1
1.
t:
Term
2.
x:
Term
(t IN Term & ref(t) = x)
Prop
By:
Auto
Generated subgoal:
1
3.
t IN Term
is_subst0(.ref(t))
1
step
About:
(6steps total)
PrintForm
Lemmas
ElisTarskiPf
B
Sections
NuprlLIB
Doc