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| Mirrors > Home > MPE Home > Th. List > wlkcompim | Structured version Visualization version GIF version | ||
| Description: Implications for the properties of the components of a walk. (Contributed by Alexander van der Vekens, 23-Jun-2018.) (Revised by AV, 2-Jan-2021.) |
| Ref | Expression |
|---|---|
| wlkcomp.v | ⊢ 𝑉 = (Vtx‘𝐺) |
| wlkcomp.i | ⊢ 𝐼 = (iEdg‘𝐺) |
| wlkcomp.1 | ⊢ 𝐹 = (1st ‘𝑊) |
| wlkcomp.2 | ⊢ 𝑃 = (2nd ‘𝑊) |
| Ref | Expression |
|---|---|
| wlkcompim | ⊢ (𝑊 ∈ (Walks‘𝐺) → (𝐹 ∈ Word dom 𝐼 ∧ 𝑃:(0...(♯‘𝐹))⟶𝑉 ∧ ∀𝑘 ∈ (0..^(♯‘𝐹))if-((𝑃‘𝑘) = (𝑃‘(𝑘 + 1)), (𝐼‘(𝐹‘𝑘)) = {(𝑃‘𝑘)}, {(𝑃‘𝑘), (𝑃‘(𝑘 + 1))} ⊆ (𝐼‘(𝐹‘𝑘))))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elfvex 6898 | . 2 ⊢ (𝑊 ∈ (Walks‘𝐺) → 𝐺 ∈ V) | |
| 2 | wlkcpr 29563 | . . 3 ⊢ (𝑊 ∈ (Walks‘𝐺) ↔ (1st ‘𝑊)(Walks‘𝐺)(2nd ‘𝑊)) | |
| 3 | wlkvv 29561 | . . 3 ⊢ ((1st ‘𝑊)(Walks‘𝐺)(2nd ‘𝑊) → 𝑊 ∈ (V × V)) | |
| 4 | 2, 3 | sylbi 217 | . 2 ⊢ (𝑊 ∈ (Walks‘𝐺) → 𝑊 ∈ (V × V)) |
| 5 | wlkcomp.v | . . . 4 ⊢ 𝑉 = (Vtx‘𝐺) | |
| 6 | wlkcomp.i | . . . 4 ⊢ 𝐼 = (iEdg‘𝐺) | |
| 7 | wlkcomp.1 | . . . 4 ⊢ 𝐹 = (1st ‘𝑊) | |
| 8 | wlkcomp.2 | . . . 4 ⊢ 𝑃 = (2nd ‘𝑊) | |
| 9 | 5, 6, 7, 8 | wlkcomp 29565 | . . 3 ⊢ ((𝐺 ∈ V ∧ 𝑊 ∈ (V × V)) → (𝑊 ∈ (Walks‘𝐺) ↔ (𝐹 ∈ Word dom 𝐼 ∧ 𝑃:(0...(♯‘𝐹))⟶𝑉 ∧ ∀𝑘 ∈ (0..^(♯‘𝐹))if-((𝑃‘𝑘) = (𝑃‘(𝑘 + 1)), (𝐼‘(𝐹‘𝑘)) = {(𝑃‘𝑘)}, {(𝑃‘𝑘), (𝑃‘(𝑘 + 1))} ⊆ (𝐼‘(𝐹‘𝑘)))))) |
| 10 | 9 | biimpcd 249 | . 2 ⊢ (𝑊 ∈ (Walks‘𝐺) → ((𝐺 ∈ V ∧ 𝑊 ∈ (V × V)) → (𝐹 ∈ Word dom 𝐼 ∧ 𝑃:(0...(♯‘𝐹))⟶𝑉 ∧ ∀𝑘 ∈ (0..^(♯‘𝐹))if-((𝑃‘𝑘) = (𝑃‘(𝑘 + 1)), (𝐼‘(𝐹‘𝑘)) = {(𝑃‘𝑘)}, {(𝑃‘𝑘), (𝑃‘(𝑘 + 1))} ⊆ (𝐼‘(𝐹‘𝑘)))))) |
| 11 | 1, 4, 10 | mp2and 699 | 1 ⊢ (𝑊 ∈ (Walks‘𝐺) → (𝐹 ∈ Word dom 𝐼 ∧ 𝑃:(0...(♯‘𝐹))⟶𝑉 ∧ ∀𝑘 ∈ (0..^(♯‘𝐹))if-((𝑃‘𝑘) = (𝑃‘(𝑘 + 1)), (𝐼‘(𝐹‘𝑘)) = {(𝑃‘𝑘)}, {(𝑃‘𝑘), (𝑃‘(𝑘 + 1))} ⊆ (𝐼‘(𝐹‘𝑘))))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 if-wif 1062 ∧ w3a 1086 = wceq 1540 ∈ wcel 2109 ∀wral 3045 Vcvv 3450 ⊆ wss 3916 {csn 4591 {cpr 4593 class class class wbr 5109 × cxp 5638 dom cdm 5640 ⟶wf 6509 ‘cfv 6513 (class class class)co 7389 1st c1st 7968 2nd c2nd 7969 0cc0 11074 1c1 11075 + caddc 11077 ...cfz 13474 ..^cfzo 13621 ♯chash 14301 Word cword 14484 Vtxcvtx 28929 iEdgciedg 28930 Walkscwlks 29530 |
| 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 2702 ax-rep 5236 ax-sep 5253 ax-nul 5263 ax-pow 5322 ax-pr 5389 ax-un 7713 ax-cnex 11130 ax-resscn 11131 ax-1cn 11132 ax-icn 11133 ax-addcl 11134 ax-addrcl 11135 ax-mulcl 11136 ax-mulrcl 11137 ax-mulcom 11138 ax-addass 11139 ax-mulass 11140 ax-distr 11141 ax-i2m1 11142 ax-1ne0 11143 ax-1rid 11144 ax-rnegex 11145 ax-rrecex 11146 ax-cnre 11147 ax-pre-lttri 11148 ax-pre-lttrn 11149 ax-pre-ltadd 11150 ax-pre-mulgt0 11151 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-ifp 1063 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ne 2927 df-nel 3031 df-ral 3046 df-rex 3055 df-reu 3357 df-rab 3409 df-v 3452 df-sbc 3756 df-csb 3865 df-dif 3919 df-un 3921 df-in 3923 df-ss 3933 df-pss 3936 df-nul 4299 df-if 4491 df-pw 4567 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-int 4913 df-iun 4959 df-br 5110 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5535 df-eprel 5540 df-po 5548 df-so 5549 df-fr 5593 df-we 5595 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-dm 5650 df-rn 5651 df-res 5652 df-ima 5653 df-pred 6276 df-ord 6337 df-on 6338 df-lim 6339 df-suc 6340 df-iota 6466 df-fun 6515 df-fn 6516 df-f 6517 df-f1 6518 df-fo 6519 df-f1o 6520 df-fv 6521 df-riota 7346 df-ov 7392 df-oprab 7393 df-mpo 7394 df-om 7845 df-1st 7970 df-2nd 7971 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-rdg 8380 df-1o 8436 df-er 8673 df-map 8803 df-pm 8804 df-en 8921 df-dom 8922 df-sdom 8923 df-fin 8924 df-card 9898 df-pnf 11216 df-mnf 11217 df-xr 11218 df-ltxr 11219 df-le 11220 df-sub 11413 df-neg 11414 df-nn 12188 df-n0 12449 df-z 12536 df-uz 12800 df-fz 13475 df-fzo 13622 df-hash 14302 df-word 14485 df-wlks 29533 |
| This theorem is referenced by: wlkelwrd 29567 |
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