| Mathbox for Alexander van der Vekens |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > brgric | Structured version Visualization version GIF version | ||
| Description: The relation "is isomorphic to" for graphs. (Contributed by AV, 28-Apr-2025.) |
| Ref | Expression |
|---|---|
| brgric | ⊢ (𝑅 ≃𝑔𝑟 𝑆 ↔ (𝑅 GraphIso 𝑆) ≠ ∅) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-gric 48569 | . 2 ⊢ ≃𝑔𝑟 = (◡ GraphIso “ (V ∖ 1o)) | |
| 2 | grimfn 48567 | . 2 ⊢ GraphIso Fn (V × V) | |
| 3 | 1, 2 | brwitnlem 8492 | 1 ⊢ (𝑅 ≃𝑔𝑟 𝑆 ↔ (𝑅 GraphIso 𝑆) ≠ ∅) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 209 ≠ wne 2964 Vcvv 3463 ∅c0 4294 class class class wbr 5113 × cxp 5660 (class class class)co 7411 GraphIso cgrim 48563 ≃𝑔𝑟 cgric 48564 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-f1o 6544 df-fv 6545 df-ov 7414 df-oprab 7415 df-mpo 7416 df-1st 7986 df-2nd 7987 df-1o 8453 df-map 8826 df-grim 48566 df-gric 48569 |
| This theorem is referenced by: brgrici 48601 gricrcl 48602 dfgric2 48603 gricuspgr 48606 gricsym 48609 grictr 48611 gricen 48613 cycldlenngric 48616 gricgrlic 48706 usgrexmpl12ngric 48726 |
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