Theorem fusgrusgr 27700

Description: A finite simple graph is a simple graph. (Contributed by AV, 16-Jan-2020.) (Revised by AV, 21-Oct-2020.)

Assertion

Ref	Expression
fusgrusgr	⊢ (𝐺 ∈ FinUSGraph → 𝐺 ∈ USGraph)

Proof of Theorem fusgrusgr

Step	Hyp	Ref	Expression
1		eqid 2740	. . 3 ⊢ (Vtx‘𝐺) = (Vtx‘𝐺)
2	1	isfusgr 27696	. 2 ⊢ (𝐺 ∈ FinUSGraph ↔ (𝐺 ∈ USGraph ∧ (Vtx‘𝐺) ∈ Fin))
3	2	simplbi 498	1 ⊢ (𝐺 ∈ FinUSGraph → 𝐺 ∈ USGraph)

Syntax hints:   → wi 4   ∈ wcel 2110  ‘cfv 6432  Fincfn 8725  Vtxcvtx 27377  USGraphcusgr 27530  FinUSGraphcfusgr 27694

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1975  ax-7 2015  ax-8 2112  ax-9 2120  ax-ext 2711

This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3an 1088  df-tru 1545  df-fal 1555  df-ex 1787  df-sb 2072  df-clab 2718  df-cleq 2732  df-clel 2818  df-rab 3075  df-v 3433  df-dif 3895  df-un 3897  df-in 3899  df-ss 3909  df-nul 4263  df-if 4466  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4846  df-br 5080  df-iota 6390  df-fv 6440  df-fusgr 27695

This theorem is referenced by:  fusgredgfi  27703  fusgrfisstep  27707  fusgrfupgrfs  27709  nbfiusgrfi  27753  vtxdgfusgrf  27875  usgruvtxvdb  27907  vdiscusgrb  27908  vdiscusgr  27909  fusgrn0eqdrusgr  27948  wlksnfi  28281  fusgrhashclwwlkn  28452  clwlksndivn  28459  fusgr2wsp2nb  28707  fusgreghash2wspv  28708  numclwwlk4  28759