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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 2737 | . . 3 ⊢ (iEdg‘𝐺) = (iEdg‘𝐺) | |
| 2 | 1 | iseupth 30290 | . 2 ⊢ (𝐹(EulerPaths‘𝐺)𝑃 ↔ (𝐹(Trails‘𝐺)𝑃 ∧ 𝐹:(0..^(♯‘𝐹))–onto→dom (iEdg‘𝐺))) |
| 3 | 2 | simplbi 496 | 1 ⊢ (𝐹(EulerPaths‘𝐺)𝑃 → 𝐹(Trails‘𝐺)𝑃) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 class class class wbr 5086 dom cdm 5626 –onto→wfo 6492 ‘cfv 6494 (class class class)co 7362 0cc0 11033 ..^cfzo 13603 ♯chash 14287 iEdgciedg 29084 Trailsctrls 29776 EulerPathsceupth 30286 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pr 5372 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5521 df-xp 5632 df-rel 5633 df-cnv 5634 df-co 5635 df-dm 5636 df-rn 5637 df-res 5638 df-ima 5639 df-iota 6450 df-fun 6496 df-fn 6497 df-fo 6500 df-fv 6502 df-ov 7365 df-trls 29778 df-eupth 30287 |
| This theorem is referenced by: eupthiswlk 30301 eupthres 30304 eupth2eucrct 30306 eupth2lem3 30325 |
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