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| Mirrors > Home > MPE Home > Th. List > Mathboxes > ax6er | Structured version Visualization version GIF version | ||
| Description: Commuted form of ax6e 2413. (Could be placed right after ax6e 2413). (Contributed by BJ, 15-Sep-2018.) |
| Ref | Expression |
|---|---|
| ax6er | ⊢ ∃𝑥 𝑦 = 𝑥 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax6e 2413 | . 2 ⊢ ∃𝑥 𝑥 = 𝑦 | |
| 2 | equcomi 2036 | . 2 ⊢ (𝑥 = 𝑦 → 𝑦 = 𝑥) | |
| 3 | 1, 2 | eximii 1856 | 1 ⊢ ∃𝑥 𝑦 = 𝑥 |
| Colors of variables: wff setvar class |
| Syntax hints: ∃wex 1798 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-12 2211 ax-13 2402 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-ex 1799 |
| This theorem is referenced by: exlimiieq2 37280 |
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