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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 14640 | . 2 ⊢ (𝐴 = 𝐵 → 〈“𝐴”〉 = 〈“𝐵”〉) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → 〈“𝐴”〉 = 〈“𝐵”〉) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1570 〈“cs1 14635 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-rab 3417 df-v 3457 df-dif 3909 df-un 3911 df-ss 3923 df-nul 4288 df-if 4489 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-iota 6494 df-fv 6546 df-s1 14636 |
| This theorem is referenced by: s1prc 14644 ccat1st1st 14668 swrds1 14706 swrdlsw 14707 reuccatpfxs1lem 14785 s2eqd 14902 s3eqd 14903 s4eqd 14904 s5eqd 14905 s6eqd 14906 s7eqd 14907 s8eqd 14908 frmdgsum 18922 psgnunilem5 19565 efgredlemc 19816 vrgpval 19838 vrgpinv 19840 frgpup2 19847 frgpup3lem 19848 pfx1s2 33237 pfxlsw2ccat 33248 ccatws1f1olast 33250 wrdpmtrlast 33391 1arithidomlem2 33804 iwrdsplit 34755 sseqval 34756 sseqf 34760 sseqp1 34763 signsvtn0 34935 signstfveq0 34942 mrsubcv 35980 |
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