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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 13380 | . 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 1483 〈“cs1 13294 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-iota 5851 df-fv 5896 df-s1 13302 |
This theorem is referenced by: swrds1 13451 swrdlsw 13452 swrdccatwrd 13468 s2eqd 13608 s3eqd 13609 s4eqd 13610 s5eqd 13611 s6eqd 13612 s7eqd 13613 s8eqd 13614 frmdgsum 17399 psgnunilem5 17914 efgredlemc 18158 vrgpval 18180 vrgpinv 18182 frgpup2 18189 frgpup3lem 18190 iwrdsplit 30449 sseqval 30450 sseqf 30454 sseqp1 30457 signsvtn0 30647 signstfveq0 30654 mrsubcv 31407 reuccatpfxs1lem 41433 reuccatpfxs1 41434 |
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