Theorem clwlkswks 30250

Description: Closed walks are walks (in an undirected graph). (Contributed by Alexander van der Vekens, 25-Aug-2018.) (Revised by AV, 16-Feb-2021.)

Assertion

Ref	Expression
clwlkswks	⊢ (ClWalks‘𝐺) ⊆ (Walks‘𝐺)

Proof of Theorem clwlkswks

Dummy variable 𝑤 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		clwlkwlk 30249	. 2 ⊢ (𝑤 ∈ (ClWalks‘𝐺) → 𝑤 ∈ (Walks‘𝐺))
2	1	ssriv 3938	1 ⊢ (ClWalks‘𝐺) ⊆ (Walks‘𝐺)

This proof depends on syntax axioms:   ⊆ wss 3902  ‘cfv 6537  Walkscwlks 30064  ClWalkscclwlks 30244

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 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2215  ax-ext 2734  ax-sep 5255  ax-nul 5267  ax-pr 5402

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 2100  df-mo 2566  df-eu 2596  df-clab 2741  df-cleq 2754  df-clel 2837  df-nfc 2911  df-ne 2958  df-ral 3079  df-rex 3089  df-rab 3415  df-v 3455  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-nul 4283  df-if 4486  df-sn 4588  df-pr 4590  df-op 4594  df-uni 4871  df-br 5108  df-opab 5172  df-mpt 5191  df-id 5554  df-xp 5665  df-rel 5666  df-cnv 5667  df-co 5668  df-dm 5669  df-iota 6493  df-fun 6539  df-fv 6545  df-clwlks 30245

This theorem is used by:  0clwlk0  30610  clwlknon2num  30856  numclwlk1lem2  30858