Metamath Proof Explorer


Theorem dummylink

Description: Alias for a1ii that may be referenced in some older works, and kept here to prevent broken links.

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(Contributed by NM, 7-Feb-2006) (Proof modification is discouraged.) (New usage is discouraged.)

Ref Expression
Hypotheses dummylink.1
|- ph
dummylink.2
|- ps
Assertion dummylink
|- ph

Proof

Step Hyp Ref Expression
1 dummylink.1
 |-  ph
2 dummylink.2
 |-  ps