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| Mirrors > Home > MPE Home > Th. List > eupthistrl | Structured version Visualization version GIF version | ||
| Description: An Eulerian path is a trail. (Contributed by Alexander van der Vekens, 24-Nov-2017.) (Revised by AV, 18-Feb-2021.) |
| Ref | Expression |
|---|---|
| eupthistrl | ⊢ (𝐹(EulerPaths‘𝐺)𝑃 → 𝐹(Trails‘𝐺)𝑃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2763 | . . 3 ⊢ (iEdg‘𝐺) = (iEdg‘𝐺) | |
| 2 | 1 | iseupth 30832 | . 2 ⊢ (𝐹(EulerPaths‘𝐺)𝑃 ↔ (𝐹(Trails‘𝐺)𝑃 ∧ 𝐹:(0..^(♯‘𝐹))⟶ontodom (iEdg‘𝐺))) |
| 3 | 2 | simplbi 502 | 1 ⊢ (𝐹(EulerPaths‘𝐺)𝑃 → 𝐹(Trails‘𝐺)𝑃) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 class class class wbr 5106 dom cdm 5655 ⟶ontowfo 6556 ‘cfv 6558 (class class class)co 7443 0cc0 11227 ..^cfzo 13815 ♯chash 14501 iEdgciedg 29605 Trailsctrls 30303 EulerPathsceupth 30828 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pr 5395 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5171 df-mpt 5190 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6512 df-fun 6560 df-fn 6561 df-fo 6564 df-fv 6566 df-ov 7446 df-trls 30305 df-eupth 30829 |
| This theorem is used by: eupthiswlk 30843 eupthres 30846 eupth2eucrct 30848 eupth2lem3 30867 |
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