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Theorem eupthistrl 30528
Description: An Eulerian path is a trail. (Contributed by Alexander van der Vekens, 24-Nov-2017.) (Revised by AV, 18-Feb-2021.)
Assertion
Ref Expression
eupthistrl (𝐹(EulerPaths‘𝐺)𝑃𝐹(Trails‘𝐺)𝑃)

Proof of Theorem eupthistrl
StepHypRef Expression
1 eqid 2761 . . 3 (iEdg‘𝐺) = (iEdg‘𝐺)
21iseupth 30518 . 2 (𝐹(EulerPaths‘𝐺)𝑃 ↔ (𝐹(Trails‘𝐺)𝑃𝐹:(0..^(♯‘𝐹))–onto→dom (iEdg‘𝐺)))
32simplbi 501 1 (𝐹(EulerPaths‘𝐺)𝑃𝐹(Trails‘𝐺)𝑃)
Colors of variables: wff setvar class
Syntax hints:  wi 4   class class class wbr 5108  dom cdm 5661  ontowfo 6534  cfv 6536  (class class class)co 7410  0cc0 11099  ..^cfzo 13681  chash 14365  iEdgciedg 29313  Trailsctrls 30004  EulerPathsceupth 30514
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1823  ax-4 1837  ax-5 1938  ax-6 1995  ax-7 2036  ax-8 2143  ax-9 2151  ax-10 2174  ax-11 2190  ax-12 2211  ax-ext 2733  ax-sep 5256  ax-nul 5268  ax-pr 5404
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1103  df-tru 1571  df-fal 1581  df-ex 1808  df-nf 1812  df-sb 2095  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-ral 3078  df-rex 3088  df-rab 3415  df-v 3455  df-sbc 3744  df-csb 3853  df-dif 3907  df-un 3909  df-in 3911  df-ss 3921  df-nul 4286  df-if 4487  df-sn 4589  df-pr 4591  df-op 4595  df-uni 4872  df-br 5109  df-opab 5173  df-mpt 5192  df-id 5556  df-xp 5667  df-rel 5668  df-cnv 5669  df-co 5670  df-dm 5671  df-rn 5672  df-res 5673  df-ima 5674  df-iota 6492  df-fun 6538  df-fn 6539  df-fo 6542  df-fv 6544  df-ov 7413  df-trls 30006  df-eupth 30515
This theorem is referenced by:  eupthiswlk  30529  eupthres  30532  eupth2eucrct  30534  eupth2lem3  30553
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