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Theorem bj-axc11nv 34027
Description: Version of axc11n 2443 with a disjoint variable condition; instance of aevlem 2051. TODO: delete after checking surrounding theorems. (Contributed by BJ, 31-May-2019.) (Proof modification is discouraged.) (New usage is discouraged.)
Assertion
Ref Expression
bj-axc11nv (∀𝑥 𝑥 = 𝑦 → ∀𝑦 𝑦 = 𝑥)
Distinct variable group:   𝑥,𝑦

Proof of Theorem bj-axc11nv
StepHypRef Expression
1 aevlem 2051 1 (∀𝑥 𝑥 = 𝑦 → ∀𝑦 𝑦 = 𝑥)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wal 1526
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1787  ax-4 1801  ax-5 1902  ax-6 1961  ax-7 2006
This theorem depends on definitions:  df-bi 208  df-an 397  df-ex 1772
This theorem is referenced by: (None)
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