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Mirrors > Home > MPE Home > Th. List > ofs2 | Structured version Visualization version GIF version |
Description: Letterwise operations on a double letter word. (Contributed by Thierry Arnoux, 7-Oct-2018.) |
Ref | Expression |
---|---|
ofs2 | ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → (〈“𝐴𝐵”〉 ∘f 𝑅〈“𝐶𝐷”〉) = 〈“(𝐴𝑅𝐶)(𝐵𝑅𝐷)”〉) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-s2 14489 | . . . 4 ⊢ 〈“𝐴𝐵”〉 = (〈“𝐴”〉 ++ 〈“𝐵”〉) | |
2 | df-s2 14489 | . . . 4 ⊢ 〈“𝐶𝐷”〉 = (〈“𝐶”〉 ++ 〈“𝐷”〉) | |
3 | 1, 2 | oveq12i 7267 | . . 3 ⊢ (〈“𝐴𝐵”〉 ∘f 𝑅〈“𝐶𝐷”〉) = ((〈“𝐴”〉 ++ 〈“𝐵”〉) ∘f 𝑅(〈“𝐶”〉 ++ 〈“𝐷”〉)) |
4 | simpll 763 | . . . . 5 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 𝐴 ∈ 𝑆) | |
5 | 4 | s1cld 14236 | . . . 4 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 〈“𝐴”〉 ∈ Word 𝑆) |
6 | simplr 765 | . . . . 5 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 𝐵 ∈ 𝑆) | |
7 | 6 | s1cld 14236 | . . . 4 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 〈“𝐵”〉 ∈ Word 𝑆) |
8 | simprl 767 | . . . . 5 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 𝐶 ∈ 𝑇) | |
9 | 8 | s1cld 14236 | . . . 4 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 〈“𝐶”〉 ∈ Word 𝑇) |
10 | simprr 769 | . . . . 5 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 𝐷 ∈ 𝑇) | |
11 | 10 | s1cld 14236 | . . . 4 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 〈“𝐷”〉 ∈ Word 𝑇) |
12 | s1len 14239 | . . . . . 6 ⊢ (♯‘〈“𝐴”〉) = 1 | |
13 | s1len 14239 | . . . . . 6 ⊢ (♯‘〈“𝐶”〉) = 1 | |
14 | 12, 13 | eqtr4i 2769 | . . . . 5 ⊢ (♯‘〈“𝐴”〉) = (♯‘〈“𝐶”〉) |
15 | 14 | a1i 11 | . . . 4 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → (♯‘〈“𝐴”〉) = (♯‘〈“𝐶”〉)) |
16 | s1len 14239 | . . . . . 6 ⊢ (♯‘〈“𝐵”〉) = 1 | |
17 | s1len 14239 | . . . . . 6 ⊢ (♯‘〈“𝐷”〉) = 1 | |
18 | 16, 17 | eqtr4i 2769 | . . . . 5 ⊢ (♯‘〈“𝐵”〉) = (♯‘〈“𝐷”〉) |
19 | 18 | a1i 11 | . . . 4 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → (♯‘〈“𝐵”〉) = (♯‘〈“𝐷”〉)) |
20 | 5, 7, 9, 11, 15, 19 | ofccat 14608 | . . 3 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → ((〈“𝐴”〉 ++ 〈“𝐵”〉) ∘f 𝑅(〈“𝐶”〉 ++ 〈“𝐷”〉)) = ((〈“𝐴”〉 ∘f 𝑅〈“𝐶”〉) ++ (〈“𝐵”〉 ∘f 𝑅〈“𝐷”〉))) |
21 | 3, 20 | eqtrid 2790 | . 2 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → (〈“𝐴𝐵”〉 ∘f 𝑅〈“𝐶𝐷”〉) = ((〈“𝐴”〉 ∘f 𝑅〈“𝐶”〉) ++ (〈“𝐵”〉 ∘f 𝑅〈“𝐷”〉))) |
22 | ofs1 14609 | . . . . 5 ⊢ ((𝐴 ∈ 𝑆 ∧ 𝐶 ∈ 𝑇) → (〈“𝐴”〉 ∘f 𝑅〈“𝐶”〉) = 〈“(𝐴𝑅𝐶)”〉) | |
23 | 4, 8, 22 | syl2anc 583 | . . . 4 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → (〈“𝐴”〉 ∘f 𝑅〈“𝐶”〉) = 〈“(𝐴𝑅𝐶)”〉) |
24 | ofs1 14609 | . . . . 5 ⊢ ((𝐵 ∈ 𝑆 ∧ 𝐷 ∈ 𝑇) → (〈“𝐵”〉 ∘f 𝑅〈“𝐷”〉) = 〈“(𝐵𝑅𝐷)”〉) | |
25 | 6, 10, 24 | syl2anc 583 | . . . 4 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → (〈“𝐵”〉 ∘f 𝑅〈“𝐷”〉) = 〈“(𝐵𝑅𝐷)”〉) |
26 | 23, 25 | oveq12d 7273 | . . 3 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → ((〈“𝐴”〉 ∘f 𝑅〈“𝐶”〉) ++ (〈“𝐵”〉 ∘f 𝑅〈“𝐷”〉)) = (〈“(𝐴𝑅𝐶)”〉 ++ 〈“(𝐵𝑅𝐷)”〉)) |
27 | df-s2 14489 | . . 3 ⊢ 〈“(𝐴𝑅𝐶)(𝐵𝑅𝐷)”〉 = (〈“(𝐴𝑅𝐶)”〉 ++ 〈“(𝐵𝑅𝐷)”〉) | |
28 | 26, 27 | eqtr4di 2797 | . 2 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → ((〈“𝐴”〉 ∘f 𝑅〈“𝐶”〉) ++ (〈“𝐵”〉 ∘f 𝑅〈“𝐷”〉)) = 〈“(𝐴𝑅𝐶)(𝐵𝑅𝐷)”〉) |
29 | 21, 28 | eqtrd 2778 | 1 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → (〈“𝐴𝐵”〉 ∘f 𝑅〈“𝐶𝐷”〉) = 〈“(𝐴𝑅𝐶)(𝐵𝑅𝐷)”〉) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2108 ‘cfv 6418 (class class class)co 7255 ∘f cof 7509 1c1 10803 ♯chash 13972 ++ cconcat 14201 〈“cs1 14228 〈“cs2 14482 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-of 7511 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-card 9628 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-n0 12164 df-z 12250 df-uz 12512 df-fz 13169 df-fzo 13312 df-hash 13973 df-word 14146 df-concat 14202 df-s1 14229 df-s2 14489 |
This theorem is referenced by: amgmw2d 46394 |
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