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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 14750 | . 2 ⊢ (𝐴 = 𝐵 → 〈“𝐴”〉 = 〈“𝐵”〉) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → 〈“𝐴”〉 = 〈“𝐵”〉) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 〈“cs1 14745 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-un 4151 df-nul 4279 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-iota 6494 df-fv 6546 df-s1 14746 |
| This theorem is used by: s1prc 14754 ccat1st1st 14780 swrds1 14820 swrdlsw 14821 reuccatpfxs1lem 14899 s2eqd 15018 s3eqd 15019 s4eqd 15020 s5eqd 15021 s6eqd 15022 s7eqd 15023 s8eqd 15024 frmdgsum 19063 psgnunilem5 19713 efgredlemc 19964 vrgpval 19986 vrgpinv 19988 frgpup2 19995 frgpup3lem 19996 pfx1s2 33552 pfxlsw2ccat 33559 ccatws1f1olast 33561 wrdpmtrlast 33700 1arithidomlem2 34114 iwrdsplit 35065 sseqval 35066 sseqf 35070 sseqp1 35073 signsvtn0 35245 signstfveq0 35252 mrsubcv 36361 |
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