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| Mirrors > Home > ILE Home > Th. List > usgrprc | GIF version | ||
| Description: The class of simple graphs is a proper class (and therefore, because of prcssprc 4276, the classes of multigraphs, pseudographs and hypergraphs are proper classes, too). (Contributed by AV, 27-Dec-2020.) |
| Ref | Expression |
|---|---|
| usgrprc | ⊢ USGraph ∉ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2238 | . . 3 ⊢ {〈𝑣, 𝑒〉 ∣ 𝑒:∅⟶∅} = {〈𝑣, 𝑒〉 ∣ 𝑒:∅⟶∅} | |
| 2 | 1 | griedg0ssusgr 16709 | . 2 ⊢ {〈𝑣, 𝑒〉 ∣ 𝑒:∅⟶∅} ⊆ USGraph |
| 3 | 1 | griedg0prc 16708 | . 2 ⊢ {〈𝑣, 𝑒〉 ∣ 𝑒:∅⟶∅} ∉ V |
| 4 | prcssprc 4276 | . 2 ⊢ (({〈𝑣, 𝑒〉 ∣ 𝑒:∅⟶∅} ⊆ USGraph ∧ {〈𝑣, 𝑒〉 ∣ 𝑒:∅⟶∅} ∉ V) → USGraph ∉ V) | |
| 5 | 2, 3, 4 | mp2an 430 | 1 ⊢ USGraph ∉ V |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: ∉ wnel 2515 Vcvv 2821 ⊆ wss 3220 ∅c0 3520 {copab 4192 ⟶wf 5376 USGraphcusgr 16612 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-13 2211 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-nul 4261 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8277 ax-resscn 8278 ax-1cn 8279 ax-1re 8280 ax-icn 8281 ax-addcl 8282 ax-addrcl 8283 ax-mulcl 8284 ax-addcom 8286 ax-mulcom 8287 ax-addass 8288 ax-mulass 8289 ax-distr 8290 ax-i2m1 8291 ax-1rid 8293 ax-0id 8294 ax-rnegex 8295 ax-cnre 8297 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3639 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-f1 5385 df-fo 5386 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-1st 6378 df-2nd 6379 df-sub 8507 df-inn 9315 df-2 9373 df-3 9374 df-4 9375 df-5 9376 df-6 9377 df-7 9378 df-8 9379 df-9 9380 df-n0 9576 df-dec 9790 df-ndx 13414 df-slot 13415 df-base 13417 df-edgf 16463 df-vtx 16472 df-iedg 16473 df-usgren 16614 |
| This theorem is used by: (None) |
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