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| Mirrors > Home > MPE Home > Th. List > upgr1trld | Structured version Visualization version GIF version | ||
| Description: In a pseudograph with two vertices and an edge connecting these two vertices, to go from one vertex to the other vertex via this edge is a trail. The two vertices need not be distinct (in the case of a loop). (Contributed by AV, 22-Jan-2021.) |
| Ref | Expression |
|---|---|
| upgr1wlkd.p | ⊢ 𝑃 = 〈“𝑋𝑌”〉 |
| upgr1wlkd.f | ⊢ 𝐹 = 〈“𝐽”〉 |
| upgr1wlkd.x | ⊢ (𝜑 → 𝑋 ∈ (Vtx‘𝐺)) |
| upgr1wlkd.y | ⊢ (𝜑 → 𝑌 ∈ (Vtx‘𝐺)) |
| upgr1wlkd.j | ⊢ (𝜑 → ((iEdg‘𝐺)‘𝐽) = {𝑋, 𝑌}) |
| upgr1wlkd.g | ⊢ (𝜑 → 𝐺 ∈ UPGraph) |
| Ref | Expression |
|---|---|
| upgr1trld | ⊢ (𝜑 → 𝐹(Trails‘𝐺)𝑃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | upgr1wlkd.p | . 2 ⊢ 𝑃 = 〈“𝑋𝑌”〉 | |
| 2 | upgr1wlkd.f | . 2 ⊢ 𝐹 = 〈“𝐽”〉 | |
| 3 | upgr1wlkd.x | . 2 ⊢ (𝜑 → 𝑋 ∈ (Vtx‘𝐺)) | |
| 4 | upgr1wlkd.y | . 2 ⊢ (𝜑 → 𝑌 ∈ (Vtx‘𝐺)) | |
| 5 | upgr1wlkd.j | . . 3 ⊢ (𝜑 → ((iEdg‘𝐺)‘𝐽) = {𝑋, 𝑌}) | |
| 6 | 1, 2, 3, 4, 5 | upgr1wlkdlem1 30748 | . 2 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → ((iEdg‘𝐺)‘𝐽) = {𝑋}) |
| 7 | 1, 2, 3, 4, 5 | upgr1wlkdlem2 30749 | . 2 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → {𝑋, 𝑌} ⊆ ((iEdg‘𝐺)‘𝐽)) |
| 8 | eqid 2763 | . 2 ⊢ (Vtx‘𝐺) = (Vtx‘𝐺) | |
| 9 | eqid 2763 | . 2 ⊢ (iEdg‘𝐺) = (iEdg‘𝐺) | |
| 10 | 1, 2, 3, 4, 6, 7, 8, 9 | 1trld 30745 | 1 ⊢ (𝜑 → 𝐹(Trails‘𝐺)𝑃) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2146 {cpr 4589 class class class wbr 5105 ‘cfv 6546 〈“cs1 14752 〈“cs2 15003 Vtxcvtx 29586 iEdgciedg 29587 UPGraphcupgr 29670 Trailsctrls 30285 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-rep 5234 ax-sep 5251 ax-nul 5262 ax-pow 5330 ax-pr 5394 ax-un 7758 ax-cnex 11266 ax-resscn 11267 ax-1cn 11268 ax-icn 11269 ax-addcl 11270 ax-addrcl 11271 ax-mulcl 11272 ax-mulrcl 11273 ax-mulcom 11274 ax-addass 11275 ax-mulass 11276 ax-distr 11277 ax-i2m1 11278 ax-1ne0 11279 ax-1rid 11280 ax-rnegex 11281 ax-rrecex 11282 ax-cnre 11283 ax-pre-lttri 11284 ax-pre-lttrn 11285 ax-pre-ltadd 11286 ax-pre-mulgt0 11287 |
| 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 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3369 df-rab 3416 df-v 3455 df-sbc 3742 df-csb 3851 df-ss 3900 df-pss 4016 df-dif 4049 df-in 4093 df-un 4153 df-nul 4281 df-if 4485 df-pw 4561 df-sn 4588 df-pr 4590 df-op 4838 df-uni 4870 df-int 4910 df-iun 4955 df-br 5106 df-opab 5170 df-mpt 5189 df-tr 5215 df-id 5549 df-eprel 5554 df-po 5562 df-so 5563 df-fr 5607 df-we 5609 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-pred 6310 df-ord 6371 df-on 6372 df-lim 6373 df-suc 6374 df-iota 6500 df-fun 6548 df-fn 6549 df-f 6550 df-f1 6551 df-fo 6552 df-f1o 6553 df-fv 6554 df-riota 7384 df-ov 7430 df-oprab 7431 df-mpo 7432 df-om 7885 df-1st 8008 df-2nd 8009 df-frecs 8310 df-wrecs 8341 df-recs 8390 df-rdg 8429 df-1o 8487 df-er 8728 df-map 8860 df-pm 8861 df-en 8985 df-dom 8986 df-sdom 8987 df-fin 8988 df-card 10030 df-pnf 11355 df-mnf 11356 df-xr 11357 df-ltxr 11358 df-le 11359 df-sub 11553 df-neg 11554 df-nn 12346 df-2 12415 df-n0 12617 df-z 12704 df-uz 12976 df-fz 13650 df-fzo 13799 df-hash 14485 df-word 14669 df-concat 14726 df-s1 14753 df-s2 15010 df-wlks 30192 df-trls 30287 |
| This theorem is used by: (None) |
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