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Theorem usgrspanop 16135
Description: A spanning subgraph of a simple graph represented by an ordered pair is a simple graph. (Contributed by Alexander van der Vekens, 10-Aug-2017.) (Revised by AV, 16-Oct-2020.)
Hypotheses
Ref Expression
uhgrspanop.v 𝑉 = (Vtx‘𝐺)
uhgrspanop.e 𝐸 = (iEdg‘𝐺)
Assertion
Ref Expression
usgrspanop (𝐺 ∈ USGraph → ⟨𝑉, (𝐸𝐴)⟩ ∈ USGraph)

Proof of Theorem usgrspanop
Dummy variable 𝑔 is distinct from all other variables.
StepHypRef Expression
1 uhgrspanop.v . . . . 5 𝑉 = (Vtx‘𝐺)
2 uhgrspanop.e . . . . 5 𝐸 = (iEdg‘𝐺)
3 vex 2805 . . . . . 6 𝑔 ∈ V
43a1i 9 . . . . 5 ((𝐺 ∈ USGraph ∧ ((Vtx‘𝑔) = 𝑉 ∧ (iEdg‘𝑔) = (𝐸𝐴))) → 𝑔 ∈ V)
5 simprl 531 . . . . 5 ((𝐺 ∈ USGraph ∧ ((Vtx‘𝑔) = 𝑉 ∧ (iEdg‘𝑔) = (𝐸𝐴))) → (Vtx‘𝑔) = 𝑉)
6 simprr 533 . . . . 5 ((𝐺 ∈ USGraph ∧ ((Vtx‘𝑔) = 𝑉 ∧ (iEdg‘𝑔) = (𝐸𝐴))) → (iEdg‘𝑔) = (𝐸𝐴))
7 simpl 109 . . . . 5 ((𝐺 ∈ USGraph ∧ ((Vtx‘𝑔) = 𝑉 ∧ (iEdg‘𝑔) = (𝐸𝐴))) → 𝐺 ∈ USGraph)
81, 2, 4, 5, 6, 7usgrspan 16131 . . . 4 ((𝐺 ∈ USGraph ∧ ((Vtx‘𝑔) = 𝑉 ∧ (iEdg‘𝑔) = (𝐸𝐴))) → 𝑔 ∈ USGraph)
98ex 115 . . 3 (𝐺 ∈ USGraph → (((Vtx‘𝑔) = 𝑉 ∧ (iEdg‘𝑔) = (𝐸𝐴)) → 𝑔 ∈ USGraph))
109alrimiv 1922 . 2 (𝐺 ∈ USGraph → ∀𝑔(((Vtx‘𝑔) = 𝑉 ∧ (iEdg‘𝑔) = (𝐸𝐴)) → 𝑔 ∈ USGraph))
11 vtxex 15868 . . 3 (𝐺 ∈ USGraph → (Vtx‘𝐺) ∈ V)
121, 11eqeltrid 2318 . 2 (𝐺 ∈ USGraph → 𝑉 ∈ V)
13 iedgex 15869 . . . 4 (𝐺 ∈ USGraph → (iEdg‘𝐺) ∈ V)
142, 13eqeltrid 2318 . . 3 (𝐺 ∈ USGraph → 𝐸 ∈ V)
15 resexg 5053 . . 3 (𝐸 ∈ V → (𝐸𝐴) ∈ V)
1614, 15syl 14 . 2 (𝐺 ∈ USGraph → (𝐸𝐴) ∈ V)
1710, 12, 16gropeld 15899 1 (𝐺 ∈ USGraph → ⟨𝑉, (𝐸𝐴)⟩ ∈ USGraph)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104   = wceq 1397  wcel 2202  Vcvv 2802  cop 3672  cres 4727  cfv 5326  Vtxcvtx 15862  iEdgciedg 15863  USGraphcusgr 16004
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-13 2204  ax-14 2205  ax-ext 2213  ax-sep 4207  ax-nul 4215  ax-pow 4264  ax-pr 4299  ax-un 4530  ax-setind 4635  ax-cnex 8122  ax-resscn 8123  ax-1cn 8124  ax-1re 8125  ax-icn 8126  ax-addcl 8127  ax-addrcl 8128  ax-mulcl 8129  ax-addcom 8131  ax-mulcom 8132  ax-addass 8133  ax-mulass 8134  ax-distr 8135  ax-i2m1 8136  ax-1rid 8138  ax-0id 8139  ax-rnegex 8140  ax-cnre 8142
This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-fal 1403  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ne 2403  df-ral 2515  df-rex 2516  df-reu 2517  df-rab 2519  df-v 2804  df-sbc 3032  df-csb 3128  df-dif 3202  df-un 3204  df-in 3206  df-ss 3213  df-nul 3495  df-if 3606  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-int 3929  df-br 4089  df-opab 4151  df-mpt 4152  df-tr 4188  df-id 4390  df-iord 4463  df-on 4465  df-suc 4468  df-xp 4731  df-rel 4732  df-cnv 4733  df-co 4734  df-dm 4735  df-rn 4736  df-res 4737  df-ima 4738  df-iota 5286  df-fun 5328  df-fn 5329  df-f 5330  df-f1 5331  df-fo 5332  df-f1o 5333  df-fv 5334  df-riota 5970  df-ov 6020  df-oprab 6021  df-mpo 6022  df-1st 6302  df-2nd 6303  df-1o 6581  df-2o 6582  df-en 6909  df-sub 8351  df-inn 9143  df-2 9201  df-3 9202  df-4 9203  df-5 9204  df-6 9205  df-7 9206  df-8 9207  df-9 9208  df-n0 9402  df-dec 9611  df-ndx 13084  df-slot 13085  df-base 13087  df-edgf 15855  df-vtx 15864  df-iedg 15865  df-edg 15908  df-uhgrm 15919  df-upgren 15943  df-umgren 15944  df-uspgren 16005  df-usgren 16006  df-subgr 16104
This theorem is referenced by: (None)
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