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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 2739. Justification for ax-frege54c 44345. (Contributed by RP, 24-Dec-2019.) |
| Ref | Expression |
|---|---|
| axfrege54c | ⊢ 𝐴 = 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2739 | 1 ⊢ 𝐴 = 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-9 2129 ax-ext 2711 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-ex 1787 df-cleq 2731 |
| This theorem is referenced by: (None) |
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