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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 14202 | . . . 4 ⊢ 〈“𝐴𝐵”〉 = (〈“𝐴”〉 ++ 〈“𝐵”〉) | |
2 | df-s2 14202 | . . . 4 ⊢ 〈“𝐶𝐷”〉 = (〈“𝐶”〉 ++ 〈“𝐷”〉) | |
3 | 1, 2 | oveq12i 7160 | . . 3 ⊢ (〈“𝐴𝐵”〉 ∘f 𝑅〈“𝐶𝐷”〉) = ((〈“𝐴”〉 ++ 〈“𝐵”〉) ∘f 𝑅(〈“𝐶”〉 ++ 〈“𝐷”〉)) |
4 | simpll 765 | . . . . 5 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 𝐴 ∈ 𝑆) | |
5 | 4 | s1cld 13949 | . . . 4 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 〈“𝐴”〉 ∈ Word 𝑆) |
6 | simplr 767 | . . . . 5 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 𝐵 ∈ 𝑆) | |
7 | 6 | s1cld 13949 | . . . 4 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 〈“𝐵”〉 ∈ Word 𝑆) |
8 | simprl 769 | . . . . 5 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 𝐶 ∈ 𝑇) | |
9 | 8 | s1cld 13949 | . . . 4 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 〈“𝐶”〉 ∈ Word 𝑇) |
10 | simprr 771 | . . . . 5 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 𝐷 ∈ 𝑇) | |
11 | 10 | s1cld 13949 | . . . 4 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → 〈“𝐷”〉 ∈ Word 𝑇) |
12 | s1len 13952 | . . . . . 6 ⊢ (♯‘〈“𝐴”〉) = 1 | |
13 | s1len 13952 | . . . . . 6 ⊢ (♯‘〈“𝐶”〉) = 1 | |
14 | 12, 13 | eqtr4i 2845 | . . . . 5 ⊢ (♯‘〈“𝐴”〉) = (♯‘〈“𝐶”〉) |
15 | 14 | a1i 11 | . . . 4 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → (♯‘〈“𝐴”〉) = (♯‘〈“𝐶”〉)) |
16 | s1len 13952 | . . . . . 6 ⊢ (♯‘〈“𝐵”〉) = 1 | |
17 | s1len 13952 | . . . . . 6 ⊢ (♯‘〈“𝐷”〉) = 1 | |
18 | 16, 17 | eqtr4i 2845 | . . . . 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 14321 | . . 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 | syl5eq 2866 | . 2 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → (〈“𝐴𝐵”〉 ∘f 𝑅〈“𝐶𝐷”〉) = ((〈“𝐴”〉 ∘f 𝑅〈“𝐶”〉) ++ (〈“𝐵”〉 ∘f 𝑅〈“𝐷”〉))) |
22 | ofs1 14322 | . . . . 5 ⊢ ((𝐴 ∈ 𝑆 ∧ 𝐶 ∈ 𝑇) → (〈“𝐴”〉 ∘f 𝑅〈“𝐶”〉) = 〈“(𝐴𝑅𝐶)”〉) | |
23 | 4, 8, 22 | syl2anc 586 | . . . 4 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → (〈“𝐴”〉 ∘f 𝑅〈“𝐶”〉) = 〈“(𝐴𝑅𝐶)”〉) |
24 | ofs1 14322 | . . . . 5 ⊢ ((𝐵 ∈ 𝑆 ∧ 𝐷 ∈ 𝑇) → (〈“𝐵”〉 ∘f 𝑅〈“𝐷”〉) = 〈“(𝐵𝑅𝐷)”〉) | |
25 | 6, 10, 24 | syl2anc 586 | . . . 4 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → (〈“𝐵”〉 ∘f 𝑅〈“𝐷”〉) = 〈“(𝐵𝑅𝐷)”〉) |
26 | 23, 25 | oveq12d 7166 | . . 3 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → ((〈“𝐴”〉 ∘f 𝑅〈“𝐶”〉) ++ (〈“𝐵”〉 ∘f 𝑅〈“𝐷”〉)) = (〈“(𝐴𝑅𝐶)”〉 ++ 〈“(𝐵𝑅𝐷)”〉)) |
27 | df-s2 14202 | . . 3 ⊢ 〈“(𝐴𝑅𝐶)(𝐵𝑅𝐷)”〉 = (〈“(𝐴𝑅𝐶)”〉 ++ 〈“(𝐵𝑅𝐷)”〉) | |
28 | 26, 27 | syl6eqr 2872 | . 2 ⊢ (((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) ∧ (𝐶 ∈ 𝑇 ∧ 𝐷 ∈ 𝑇)) → ((〈“𝐴”〉 ∘f 𝑅〈“𝐶”〉) ++ (〈“𝐵”〉 ∘f 𝑅〈“𝐷”〉)) = 〈“(𝐴𝑅𝐶)(𝐵𝑅𝐷)”〉) |
29 | 21, 28 | eqtrd 2854 | 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 398 = wceq 1531 ∈ wcel 2108 ‘cfv 6348 (class class class)co 7148 ∘f cof 7399 1c1 10530 ♯chash 13682 ++ cconcat 13914 〈“cs1 13941 〈“cs2 14195 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1905 ax-6 1964 ax-7 2009 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2154 ax-12 2170 ax-ext 2791 ax-rep 5181 ax-sep 5194 ax-nul 5201 ax-pow 5257 ax-pr 5320 ax-un 7453 ax-cnex 10585 ax-resscn 10586 ax-1cn 10587 ax-icn 10588 ax-addcl 10589 ax-addrcl 10590 ax-mulcl 10591 ax-mulrcl 10592 ax-mulcom 10593 ax-addass 10594 ax-mulass 10595 ax-distr 10596 ax-i2m1 10597 ax-1ne0 10598 ax-1rid 10599 ax-rnegex 10600 ax-rrecex 10601 ax-cnre 10602 ax-pre-lttri 10603 ax-pre-lttrn 10604 ax-pre-ltadd 10605 ax-pre-mulgt0 10606 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1083 df-3an 1084 df-tru 1534 df-ex 1775 df-nf 1779 df-sb 2064 df-mo 2616 df-eu 2648 df-clab 2798 df-cleq 2812 df-clel 2891 df-nfc 2961 df-ne 3015 df-nel 3122 df-ral 3141 df-rex 3142 df-reu 3143 df-rab 3145 df-v 3495 df-sbc 3771 df-csb 3882 df-dif 3937 df-un 3939 df-in 3941 df-ss 3950 df-pss 3952 df-nul 4290 df-if 4466 df-pw 4539 df-sn 4560 df-pr 4562 df-tp 4564 df-op 4566 df-uni 4831 df-int 4868 df-iun 4912 df-br 5058 df-opab 5120 df-mpt 5138 df-tr 5164 df-id 5453 df-eprel 5458 df-po 5467 df-so 5468 df-fr 5507 df-we 5509 df-xp 5554 df-rel 5555 df-cnv 5556 df-co 5557 df-dm 5558 df-rn 5559 df-res 5560 df-ima 5561 df-pred 6141 df-ord 6187 df-on 6188 df-lim 6189 df-suc 6190 df-iota 6307 df-fun 6350 df-fn 6351 df-f 6352 df-f1 6353 df-fo 6354 df-f1o 6355 df-fv 6356 df-riota 7106 df-ov 7151 df-oprab 7152 df-mpo 7153 df-of 7401 df-om 7573 df-1st 7681 df-2nd 7682 df-wrecs 7939 df-recs 8000 df-rdg 8038 df-1o 8094 df-oadd 8098 df-er 8281 df-en 8502 df-dom 8503 df-sdom 8504 df-fin 8505 df-card 9360 df-pnf 10669 df-mnf 10670 df-xr 10671 df-ltxr 10672 df-le 10673 df-sub 10864 df-neg 10865 df-nn 11631 df-n0 11890 df-z 11974 df-uz 12236 df-fz 12885 df-fzo 13026 df-hash 13683 df-word 13854 df-concat 13915 df-s1 13942 df-s2 14202 |
This theorem is referenced by: amgmw2d 44896 |
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