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| Mirrors > Home > MPE Home > Th. List > s2rn | Structured version Visualization version GIF version | ||
| Description: Range of a length 2 string. (Contributed by Thierry Arnoux, 19-Sep-2023.) (Proof shortened by AV, 1-Aug-2025.) |
| Ref | Expression |
|---|---|
| s2rn.i | ⊢ (𝜑 → 𝐼 ∈ 𝐷) |
| s2rn.j | ⊢ (𝜑 → 𝐽 ∈ 𝐷) |
| Ref | Expression |
|---|---|
| s2rn | ⊢ (𝜑 → ran 〈“𝐼𝐽”〉 = {𝐼, 𝐽}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-s2 14790 | . . . 4 ⊢ 〈“𝐼𝐽”〉 = (〈“𝐼”〉 ++ 〈“𝐽”〉) | |
| 2 | 1 | a1i 11 | . . 3 ⊢ (𝜑 → 〈“𝐼𝐽”〉 = (〈“𝐼”〉 ++ 〈“𝐽”〉)) |
| 3 | 2 | rneqd 5891 | . 2 ⊢ (𝜑 → ran 〈“𝐼𝐽”〉 = ran (〈“𝐼”〉 ++ 〈“𝐽”〉)) |
| 4 | s1cli 14546 | . . . 4 ⊢ 〈“𝐼”〉 ∈ Word V | |
| 5 | s1cli 14546 | . . . 4 ⊢ 〈“𝐽”〉 ∈ Word V | |
| 6 | 4, 5 | pm3.2i 470 | . . 3 ⊢ (〈“𝐼”〉 ∈ Word V ∧ 〈“𝐽”〉 ∈ Word V) |
| 7 | ccatrn 14530 | . . 3 ⊢ ((〈“𝐼”〉 ∈ Word V ∧ 〈“𝐽”〉 ∈ Word V) → ran (〈“𝐼”〉 ++ 〈“𝐽”〉) = (ran 〈“𝐼”〉 ∪ ran 〈“𝐽”〉)) | |
| 8 | 6, 7 | mp1i 13 | . 2 ⊢ (𝜑 → ran (〈“𝐼”〉 ++ 〈“𝐽”〉) = (ran 〈“𝐼”〉 ∪ ran 〈“𝐽”〉)) |
| 9 | s2rn.i | . . . . 5 ⊢ (𝜑 → 𝐼 ∈ 𝐷) | |
| 10 | s1rn 14540 | . . . . 5 ⊢ (𝐼 ∈ 𝐷 → ran 〈“𝐼”〉 = {𝐼}) | |
| 11 | 9, 10 | syl 17 | . . . 4 ⊢ (𝜑 → ran 〈“𝐼”〉 = {𝐼}) |
| 12 | s2rn.j | . . . . 5 ⊢ (𝜑 → 𝐽 ∈ 𝐷) | |
| 13 | s1rn 14540 | . . . . 5 ⊢ (𝐽 ∈ 𝐷 → ran 〈“𝐽”〉 = {𝐽}) | |
| 14 | 12, 13 | syl 17 | . . . 4 ⊢ (𝜑 → ran 〈“𝐽”〉 = {𝐽}) |
| 15 | 11, 14 | uneq12d 4128 | . . 3 ⊢ (𝜑 → (ran 〈“𝐼”〉 ∪ ran 〈“𝐽”〉) = ({𝐼} ∪ {𝐽})) |
| 16 | df-pr 4588 | . . 3 ⊢ {𝐼, 𝐽} = ({𝐼} ∪ {𝐽}) | |
| 17 | 15, 16 | eqtr4di 2782 | . 2 ⊢ (𝜑 → (ran 〈“𝐼”〉 ∪ ran 〈“𝐽”〉) = {𝐼, 𝐽}) |
| 18 | 3, 8, 17 | 3eqtrd 2768 | 1 ⊢ (𝜑 → ran 〈“𝐼𝐽”〉 = {𝐼, 𝐽}) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2109 Vcvv 3444 ∪ cun 3909 {csn 4585 {cpr 4587 ran crn 5632 (class class class)co 7369 Word cword 14454 ++ cconcat 14511 〈“cs1 14536 〈“cs2 14783 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5229 ax-sep 5246 ax-nul 5256 ax-pow 5315 ax-pr 5382 ax-un 7691 ax-cnex 11100 ax-resscn 11101 ax-1cn 11102 ax-icn 11103 ax-addcl 11104 ax-addrcl 11105 ax-mulcl 11106 ax-mulrcl 11107 ax-mulcom 11108 ax-addass 11109 ax-mulass 11110 ax-distr 11111 ax-i2m1 11112 ax-1ne0 11113 ax-1rid 11114 ax-rnegex 11115 ax-rrecex 11116 ax-cnre 11117 ax-pre-lttri 11118 ax-pre-lttrn 11119 ax-pre-ltadd 11120 ax-pre-mulgt0 11121 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-reu 3352 df-rab 3403 df-v 3446 df-sbc 3751 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-int 4907 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6262 df-ord 6323 df-on 6324 df-lim 6325 df-suc 6326 df-iota 6452 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-riota 7326 df-ov 7372 df-oprab 7373 df-mpo 7374 df-om 7823 df-1st 7947 df-2nd 7948 df-frecs 8237 df-wrecs 8268 df-recs 8317 df-rdg 8355 df-1o 8411 df-er 8648 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-card 9868 df-pnf 11186 df-mnf 11187 df-xr 11188 df-ltxr 11189 df-le 11190 df-sub 11383 df-neg 11384 df-nn 12163 df-n0 12419 df-z 12506 df-uz 12770 df-fz 13445 df-fzo 13592 df-hash 14272 df-word 14455 df-concat 14512 df-s1 14537 df-s2 14790 |
| This theorem is referenced by: s3rn 14906 cycpm2tr 33049 cycpmco2 33063 cyc2fvx 33064 cyc3co2 33070 cyc3conja 33087 |
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