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| Mirrors > Home > ILE Home > Th. List > s4s4d | GIF version | ||
| Description: Concatenation of fixed length strings. (Contributed by Mario Carneiro, 26-Feb-2016.) |
| Ref | Expression |
|---|---|
| s2s2d.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| s2s2d.b | ⊢ (𝜑 → 𝐵 ∈ 𝑊) |
| s2s2d.c | ⊢ (𝜑 → 𝐶 ∈ 𝑋) |
| s2s2d.d | ⊢ (𝜑 → 𝐷 ∈ 𝑌) |
| s4s2d.e | ⊢ (𝜑 → 𝐸 ∈ 𝑍) |
| s4s2d.f | ⊢ (𝜑 → 𝐹 ∈ 𝑃) |
| s4s3d.g | ⊢ (𝜑 → 𝐺 ∈ 𝑄) |
| s4s4d.h | ⊢ (𝜑 → 𝐻 ∈ 𝑅) |
| Ref | Expression |
|---|---|
| s4s4d | ⊢ (𝜑 → 〈“𝐴𝐵𝐶𝐷𝐸𝐹𝐺𝐻”〉 = (〈“𝐴𝐵𝐶𝐷”〉 ++ 〈“𝐸𝐹𝐺𝐻”〉)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-s4 11343 | . 2 ⊢ 〈“𝐸𝐹𝐺𝐻”〉 = (〈“𝐸𝐹𝐺”〉 ++ 〈“𝐻”〉) | |
| 2 | s2s2d.a | . . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 3 | 2 | elexd 2816 | . . 3 ⊢ (𝜑 → 𝐴 ∈ V) |
| 4 | s2s2d.b | . . . 4 ⊢ (𝜑 → 𝐵 ∈ 𝑊) | |
| 5 | 4 | elexd 2816 | . . 3 ⊢ (𝜑 → 𝐵 ∈ V) |
| 6 | s2s2d.c | . . . 4 ⊢ (𝜑 → 𝐶 ∈ 𝑋) | |
| 7 | 6 | elexd 2816 | . . 3 ⊢ (𝜑 → 𝐶 ∈ V) |
| 8 | s2s2d.d | . . . 4 ⊢ (𝜑 → 𝐷 ∈ 𝑌) | |
| 9 | 8 | elexd 2816 | . . 3 ⊢ (𝜑 → 𝐷 ∈ V) |
| 10 | 3, 5, 7, 9 | s4cld 11365 | . 2 ⊢ (𝜑 → 〈“𝐴𝐵𝐶𝐷”〉 ∈ Word V) |
| 11 | s4s2d.e | . . . 4 ⊢ (𝜑 → 𝐸 ∈ 𝑍) | |
| 12 | 11 | elexd 2816 | . . 3 ⊢ (𝜑 → 𝐸 ∈ V) |
| 13 | s4s2d.f | . . . 4 ⊢ (𝜑 → 𝐹 ∈ 𝑃) | |
| 14 | 13 | elexd 2816 | . . 3 ⊢ (𝜑 → 𝐹 ∈ V) |
| 15 | s4s3d.g | . . . 4 ⊢ (𝜑 → 𝐺 ∈ 𝑄) | |
| 16 | 15 | elexd 2816 | . . 3 ⊢ (𝜑 → 𝐺 ∈ V) |
| 17 | 12, 14, 16 | s3cld 11364 | . 2 ⊢ (𝜑 → 〈“𝐸𝐹𝐺”〉 ∈ Word V) |
| 18 | s4s4d.h | . 2 ⊢ (𝜑 → 𝐻 ∈ 𝑅) | |
| 19 | df-s8 11347 | . . 3 ⊢ 〈“𝐴𝐵𝐶𝐷𝐸𝐹𝐺𝐻”〉 = (〈“𝐴𝐵𝐶𝐷𝐸𝐹𝐺”〉 ++ 〈“𝐻”〉) | |
| 20 | 19 | a1i 9 | . 2 ⊢ (𝜑 → 〈“𝐴𝐵𝐶𝐷𝐸𝐹𝐺𝐻”〉 = (〈“𝐴𝐵𝐶𝐷𝐸𝐹𝐺”〉 ++ 〈“𝐻”〉)) |
| 21 | 2, 4, 6, 8, 11, 13, 15 | s4s3d 11387 | . 2 ⊢ (𝜑 → 〈“𝐴𝐵𝐶𝐷𝐸𝐹𝐺”〉 = (〈“𝐴𝐵𝐶𝐷”〉 ++ 〈“𝐸𝐹𝐺”〉)) |
| 22 | 1, 10, 17, 18, 20, 21 | cats1catd 11353 | 1 ⊢ (𝜑 → 〈“𝐴𝐵𝐶𝐷𝐸𝐹𝐺𝐻”〉 = (〈“𝐴𝐵𝐶𝐷”〉 ++ 〈“𝐸𝐹𝐺𝐻”〉)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1397 ∈ wcel 2202 Vcvv 2802 (class class class)co 6018 ++ cconcat 11171 〈“cs1 11196 〈“cs3 11335 〈“cs4 11336 〈“cs7 11339 〈“cs8 11340 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4204 ax-sep 4207 ax-nul 4215 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-iinf 4686 ax-cnex 8123 ax-resscn 8124 ax-1cn 8125 ax-1re 8126 ax-icn 8127 ax-addcl 8128 ax-addrcl 8129 ax-mulcl 8130 ax-addcom 8132 ax-addass 8134 ax-distr 8136 ax-i2m1 8137 ax-0lt1 8138 ax-0id 8140 ax-rnegex 8141 ax-cnre 8143 ax-pre-ltirr 8144 ax-pre-ltwlin 8145 ax-pre-lttrn 8146 ax-pre-apti 8147 ax-pre-ltadd 8148 |
| This theorem depends on definitions: df-bi 117 df-dc 842 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-reu 2517 df-rab 2519 df-v 2804 df-sbc 3032 df-csb 3128 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-nul 3495 df-if 3606 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-iun 3972 df-br 4089 df-opab 4151 df-mpt 4152 df-tr 4188 df-id 4390 df-iord 4463 df-on 4465 df-ilim 4466 df-suc 4468 df-iom 4689 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-f1 5331 df-fo 5332 df-f1o 5333 df-fv 5334 df-riota 5971 df-ov 6021 df-oprab 6022 df-mpo 6023 df-1st 6303 df-2nd 6304 df-recs 6471 df-frec 6557 df-1o 6582 df-er 6702 df-en 6910 df-dom 6911 df-fin 6912 df-pnf 8216 df-mnf 8217 df-xr 8218 df-ltxr 8219 df-le 8220 df-sub 8352 df-neg 8353 df-inn 9144 df-n0 9403 df-z 9480 df-uz 9756 df-fz 10244 df-fzo 10378 df-ihash 11039 df-word 11118 df-concat 11172 df-s1 11197 df-s2 11341 df-s3 11342 df-s4 11343 df-s5 11344 df-s6 11345 df-s7 11346 df-s8 11347 |
| This theorem is referenced by: (None) |
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