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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 2730. Justification for ax-frege54c 43853. (Contributed by RP, 24-Dec-2019.) |
| Ref | Expression |
|---|---|
| axfrege54c | ⊢ 𝐴 = 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2730 | 1 ⊢ 𝐴 = 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1540 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-9 2119 ax-ext 2702 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1780 df-cleq 2722 |
| This theorem is referenced by: (None) |
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