Theorem a9ev 1708

Description: At least one individual exists. Weaker version of a9e 1707. (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 1541	1 ⊢ ∃𝑥 𝑥 = 𝑦

Syntax hints:  ∃wex 1503

This theorem was proved from axioms:  ax-i9 1541

This theorem is referenced by:  spimfv  1710  ax6evr  1716  equsalv  1804  dfdif3  3260  snnex  4463  relop  4792  dmi  4857