Theorem fusgrusgr 27364

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 2736	. . 3 ⊢ (Vtx‘𝐺) = (Vtx‘𝐺)
2	1	isfusgr 27360	. 2 ⊢ (𝐺 ∈ FinUSGraph ↔ (𝐺 ∈ USGraph ∧ (Vtx‘𝐺) ∈ Fin))
3	2	simplbi 501	1 ⊢ (𝐺 ∈ FinUSGraph → 𝐺 ∈ USGraph)

Syntax hints:   → wi 4   ∈ wcel 2112  ‘cfv 6358  Fincfn 8604  Vtxcvtx 27041  USGraphcusgr 27194  FinUSGraphcfusgr 27358

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1803  ax-4 1817  ax-5 1918  ax-6 1976  ax-7 2018  ax-8 2114  ax-9 2122  ax-ext 2708

This theorem depends on definitions:  df-bi 210  df-an 400  df-or 848  df-3an 1091  df-tru 1546  df-fal 1556  df-ex 1788  df-sb 2073  df-clab 2715  df-cleq 2728  df-clel 2809  df-rab 3060  df-v 3400  df-dif 3856  df-un 3858  df-in 3860  df-ss 3870  df-nul 4224  df-if 4426  df-sn 4528  df-pr 4530  df-op 4534  df-uni 4806  df-br 5040  df-iota 6316  df-fv 6366  df-fusgr 27359

This theorem is referenced by:  fusgredgfi  27367  fusgrfisstep  27371  fusgrfupgrfs  27373  nbfiusgrfi  27417  vtxdgfusgrf  27539  usgruvtxvdb  27571  vdiscusgrb  27572  vdiscusgr  27573  fusgrn0eqdrusgr  27612  wlksnfi  27945  fusgrhashclwwlkn  28116  clwlksndivn  28123  fusgr2wsp2nb  28371  fusgreghash2wspv  28372  numclwwlk4  28423