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Theorem pthistrl 29672
Description: A path is a trail (in an undirected graph). (Contributed by Alexander van der Vekens, 21-Oct-2017.) (Revised by AV, 9-Jan-2021.) (Proof shortened by AV, 30-Oct-2021.)
Assertion
Ref Expression
pthistrl (𝐹(Paths‘𝐺)𝑃𝐹(Trails‘𝐺)𝑃)

Proof of Theorem pthistrl
StepHypRef Expression
1 ispth 29670 . 2 (𝐹(Paths‘𝐺)𝑃 ↔ (𝐹(Trails‘𝐺)𝑃 ∧ Fun (𝑃 ↾ (1..^(♯‘𝐹))) ∧ ((𝑃 “ {0, (♯‘𝐹)}) ∩ (𝑃 “ (1..^(♯‘𝐹)))) = ∅))
21simp1bi 1145 1 (𝐹(Paths‘𝐺)𝑃𝐹(Trails‘𝐺)𝑃)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1539  cin 3930  c0 4313  {cpr 4608   class class class wbr 5123  ccnv 5664  cres 5667  cima 5668  Fun wfun 6535  cfv 6541  (class class class)co 7413  0cc0 11137  1c1 11138  ..^cfzo 13676  chash 14352  Trailsctrls 29637  Pathscpths 29659
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1794  ax-4 1808  ax-5 1909  ax-6 1966  ax-7 2006  ax-8 2109  ax-9 2117  ax-10 2140  ax-11 2156  ax-12 2176  ax-ext 2706  ax-sep 5276  ax-nul 5286  ax-pr 5412
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1779  df-nf 1783  df-sb 2064  df-mo 2538  df-eu 2567  df-clab 2713  df-cleq 2726  df-clel 2808  df-nfc 2884  df-ne 2932  df-ral 3051  df-rex 3060  df-rab 3420  df-v 3465  df-sbc 3771  df-csb 3880  df-dif 3934  df-un 3936  df-in 3938  df-ss 3948  df-nul 4314  df-if 4506  df-sn 4607  df-pr 4609  df-op 4613  df-uni 4888  df-br 5124  df-opab 5186  df-mpt 5206  df-id 5558  df-xp 5671  df-rel 5672  df-cnv 5673  df-co 5674  df-dm 5675  df-rn 5676  df-res 5677  df-ima 5678  df-iota 6494  df-fun 6543  df-fv 6549  df-ov 7416  df-trls 29639  df-pths 29663
This theorem is referenced by:  pthiswlk  29674  pthonpth  29697  isspthonpth  29698  usgr2trlspth  29710  usgr2pthspth  29711  cycliscrct  29748  spthcycl  35109
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