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| Mirrors > Home > MPE Home > Th. List > s1eqd | Structured version Visualization version GIF version | ||
| Description: Equality theorem for a singleton word. (Contributed by Mario Carneiro, 26-Feb-2016.) |
| Ref | Expression |
|---|---|
| s1eqd.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| Ref | Expression |
|---|---|
| s1eqd | ⊢ (𝜑 → 〈“𝐴”〉 = 〈“𝐵”〉) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | s1eqd.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | s1eq 14611 | . 2 ⊢ (𝐴 = 𝐵 → 〈“𝐴”〉 = 〈“𝐵”〉) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → 〈“𝐴”〉 = 〈“𝐵”〉) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1559 〈“cs1 14606 |
| 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-8 2143 ax-9 2151 ax-ext 2733 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-sb 2090 df-clab 2740 df-cleq 2753 df-clel 2836 df-rab 3414 df-v 3455 df-dif 3907 df-un 3909 df-ss 3921 df-nul 4286 df-if 4480 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-br 5100 df-iota 6473 df-fv 6525 df-s1 14607 |
| This theorem is referenced by: s1prc 14615 ccat1st1st 14639 swrds1 14677 swrdlsw 14678 reuccatpfxs1lem 14756 s2eqd 14873 s3eqd 14874 s4eqd 14875 s5eqd 14876 s6eqd 14877 s7eqd 14878 s8eqd 14879 frmdgsum 18879 psgnunilem5 19517 efgredlemc 19768 vrgpval 19790 vrgpinv 19792 frgpup2 19799 frgpup3lem 19800 pfx1s2 33078 pfxlsw2ccat 33089 ccatws1f1olast 33091 wrdpmtrlast 33234 1arithidomlem2 33693 iwrdsplit 34645 sseqval 34646 sseqf 34650 sseqp1 34653 signsvtn0 34828 signstfveq0 34835 mrsubcv 35824 |
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