Description: A theorem used to prove the base case of the Eliminability Theorem (see section comment). (Contributed by BJ, 19-Oct-2019) (Proof modification is discouraged.) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | eliminable2a | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dfcleq | |