| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 14659 | . 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 1570 〈“cs1 14654 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-ext 2738 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2745 df-cleq 2758 df-clel 2841 df-rab 3420 df-v 3460 df-dif 3911 df-un 3913 df-ss 3925 df-nul 4290 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-br 5115 df-iota 6499 df-fv 6551 df-s1 14655 |
| This theorem is used by: s1prc 14663 ccat1st1st 14688 swrds1 14728 swrdlsw 14729 reuccatpfxs1lem 14807 s2eqd 14926 s3eqd 14927 s4eqd 14928 s5eqd 14929 s6eqd 14930 s7eqd 14931 s8eqd 14932 frmdgsum 18952 psgnunilem5 19595 efgredlemc 19846 vrgpval 19868 vrgpinv 19870 frgpup2 19877 frgpup3lem 19878 pfx1s2 33296 pfxlsw2ccat 33303 ccatws1f1olast 33305 wrdpmtrlast 33444 1arithidomlem2 33857 iwrdsplit 34808 sseqval 34809 sseqf 34813 sseqp1 34816 signsvtn0 34988 signstfveq0 34995 mrsubcv 36022 |
| Copyright terms: Public domain | W3C validator |