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| Mirrors > Home > MPE Home > Th. List > wlkf | Structured version Visualization version GIF version | ||
| Description: The mapping enumerating the (indices of the) edges of a walk is a word over the indices of the edges of the graph. (Contributed by AV, 5-Apr-2021.) |
| Ref | Expression |
|---|---|
| wlkf.i | ⊢ 𝐼 = (iEdg‘𝐺) |
| Ref | Expression |
|---|---|
| wlkf | ⊢ (𝐹(Walks‘𝐺)𝑃 → 𝐹 ∈ Word dom 𝐼) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2761 | . . 3 ⊢ (Vtx‘𝐺) = (Vtx‘𝐺) | |
| 2 | wlkf.i | . . 3 ⊢ 𝐼 = (iEdg‘𝐺) | |
| 3 | 1, 2 | wlkprop 30174 | . 2 ⊢ (𝐹(Walks‘𝐺)𝑃 → (𝐹 ∈ Word dom 𝐼 ∧ 𝑃:(0...(♯‘𝐹))⟶(Vtx‘𝐺) ∧ ∀𝑘 ∈ (0..^(♯‘𝐹))if-((𝑃‘𝑘) = (𝑃‘(𝑘 + 1)), (𝐼‘(𝐹‘𝑘)) = {(𝑃‘𝑘)}, {(𝑃‘𝑘), (𝑃‘(𝑘 + 1))} ⊆ (𝐼‘(𝐹‘𝑘))))) |
| 4 | 3 | simp1d 1160 | 1 ⊢ (𝐹(Walks‘𝐺)𝑃 → 𝐹 ∈ Word dom 𝐼) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 if-wif 1078 = wceq 1570 ∈ wcel 2145 ∀wral 3077 ⊆ wss 3899 {csn 4584 {cpr 4586 class class class wbr 5103 dom cdm 5651 ⟶wf 6527 ‘cfv 6531 (class class class)co 7412 0cc0 11181 1c1 11182 + caddc 11184 ...cfz 13620 ..^cfzo 13768 ♯chash 14454 Word cword 14638 Vtxcvtx 29556 iEdgciedg 29557 Walkscwlks 30159 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 ax-cnex 11237 ax-resscn 11238 ax-1cn 11239 ax-icn 11240 ax-addcl 11241 ax-addrcl 11242 ax-mulcl 11243 ax-mulrcl 11244 ax-mulcom 11245 ax-addass 11246 ax-mulass 11247 ax-distr 11248 ax-i2m1 11249 ax-1ne0 11250 ax-1rid 11251 ax-rnegex 11252 ax-rrecex 11253 ax-cnre 11254 ax-pre-lttri 11255 ax-pre-lttrn 11256 ax-pre-ltadd 11257 ax-pre-mulgt0 11258 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-ifp 1079 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6297 df-ord 6358 df-on 6359 df-lim 6360 df-suc 6361 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-1o 8460 df-er 8701 df-map 8833 df-en 8958 df-dom 8959 df-sdom 8960 df-fin 8961 df-card 10001 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11524 df-neg 11525 df-nn 12317 df-n0 12588 df-z 12675 df-uz 12947 df-fz 13621 df-fzo 13769 df-hash 14455 df-word 14639 df-wlks 30162 |
| This theorem is used by: wlkcl 30178 iedginwlk 30199 wlk1ewlk 30202 wlkv0 30212 wlkonwlk1l 30224 wlkres 30231 redwlk 30233 wlkp1lem2 30235 wlkp1lem3 30236 wlkp1lem4 30237 wlkp1lem6 30239 wlkp1lem8 30241 wlkp1 30242 pfxwlk 30248 revwlk 30249 swrdwlk 30250 lfgriswlk 30253 trlf1 30263 trlreslem 30264 upgr2pthnlp 30300 uhgrwkspthlem1 30321 usgr2wlkspthlem1 30325 crctcshlem2 30389 crctcshlem4 30391 crctcshwlkn0 30392 eupth2eucrct 30800 eucrctshift 30826 eucrct2eupth 30828 upgrimwlklem5 48943 upgrimwlk 48944 upgrimwlklen 48945 upgrimtrlslem1 48946 upgrimtrlslem2 48947 upgrimtrls 48948 upgrimpths 48951 upgrimcycls 48953 |
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