Theorem a9ev 1711

Description: At least one individual exists. Weaker version of a9e 1710. (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 1544	1 ⊢ ∃𝑥 𝑥 = 𝑦

Syntax hints:  ∃wex 1506

This theorem was proved from axioms:  ax-i9 1544

This theorem is referenced by:  spimfv  1713  ax6evr  1719  equsalv  1807  dfdif3  3273  snnex  4483  relop  4816  dmi  4881