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Mirrors > Home > MPE Home > Th. List > Mathboxes > axfrege54c | Structured version Visualization version GIF version |
Description: Reflexive equality of classes. Identical to eqid 2738. Justification for ax-frege54c 41389. (Contributed by RP, 24-Dec-2019.) |
Ref | Expression |
---|---|
axfrege54c | ⊢ 𝐴 = 𝐴 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2738 | 1 ⊢ 𝐴 = 𝐴 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1539 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-9 2118 ax-ext 2709 |
This theorem depends on definitions: df-bi 206 df-an 396 df-ex 1784 df-cleq 2730 |
This theorem is referenced by: (None) |
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