Theorem a9ev 1643

Description: At least one individual exists. Weaker version of a9e 1642. (Contributed by NM, 3-Aug-2017.)

Assertion

Ref	Expression
a9ev	⊢ ∃𝑥 𝑥 = 𝑦

Distinct variable group:   𝑥,𝑦

Proof of Theorem a9ev

Step	Hyp	Ref	Expression
1		ax-i9 1478	1 ⊢ ∃𝑥 𝑥 = 𝑦

Syntax hints:  ∃wex 1436

This theorem was proved from axioms:  ax-i9 1478

This theorem is referenced by:  ax6evr  1649  dfdif3  3133  snnex  4307  relop  4627  dmi  4692