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Mirrors > Home > MPE Home > Th. List > Mathboxes > 2cycl2d | Structured version Visualization version GIF version |
Description: Construction of a 2-cycle from two given edges in a graph. (Contributed by BTernaryTau, 16-Oct-2023.) |
Ref | Expression |
---|---|
2cycl2d.1 | ⊢ 𝑃 = 〈“𝐴𝐵𝐴”〉 |
2cycl2d.2 | ⊢ 𝐹 = 〈“𝐽𝐾”〉 |
2cycl2d.3 | ⊢ (𝜑 → (𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉)) |
2cycl2d.4 | ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
2cycl2d.5 | ⊢ (𝜑 → ({𝐴, 𝐵} ⊆ (𝐼‘𝐽) ∧ {𝐴, 𝐵} ⊆ (𝐼‘𝐾))) |
2cycl2d.6 | ⊢ 𝑉 = (Vtx‘𝐺) |
2cycl2d.7 | ⊢ 𝐼 = (iEdg‘𝐺) |
2cycl2d.8 | ⊢ (𝜑 → 𝐽 ≠ 𝐾) |
Ref | Expression |
---|---|
2cycl2d | ⊢ (𝜑 → 𝐹(Cycles‘𝐺)𝑃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2cycl2d.1 | . 2 ⊢ 𝑃 = 〈“𝐴𝐵𝐴”〉 | |
2 | 2cycl2d.2 | . 2 ⊢ 𝐹 = 〈“𝐽𝐾”〉 | |
3 | 2cycl2d.3 | . . . 4 ⊢ (𝜑 → (𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉)) | |
4 | simpl 482 | . . . 4 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → 𝐴 ∈ 𝑉) | |
5 | 3, 4 | jccir 521 | . . 3 ⊢ (𝜑 → ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) ∧ 𝐴 ∈ 𝑉)) |
6 | df-3an 1087 | . . 3 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉 ∧ 𝐴 ∈ 𝑉) ↔ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) ∧ 𝐴 ∈ 𝑉)) | |
7 | 5, 6 | sylibr 233 | . 2 ⊢ (𝜑 → (𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉 ∧ 𝐴 ∈ 𝑉)) |
8 | 2cycl2d.4 | . . 3 ⊢ (𝜑 → 𝐴 ≠ 𝐵) | |
9 | 8 | necomd 2993 | . . 3 ⊢ (𝜑 → 𝐵 ≠ 𝐴) |
10 | 8, 9 | jca 511 | . 2 ⊢ (𝜑 → (𝐴 ≠ 𝐵 ∧ 𝐵 ≠ 𝐴)) |
11 | 2cycl2d.5 | . . 3 ⊢ (𝜑 → ({𝐴, 𝐵} ⊆ (𝐼‘𝐽) ∧ {𝐴, 𝐵} ⊆ (𝐼‘𝐾))) | |
12 | prcom 4737 | . . . . 5 ⊢ {𝐴, 𝐵} = {𝐵, 𝐴} | |
13 | 12 | sseq1i 4008 | . . . 4 ⊢ ({𝐴, 𝐵} ⊆ (𝐼‘𝐾) ↔ {𝐵, 𝐴} ⊆ (𝐼‘𝐾)) |
14 | 13 | anbi2i 622 | . . 3 ⊢ (({𝐴, 𝐵} ⊆ (𝐼‘𝐽) ∧ {𝐴, 𝐵} ⊆ (𝐼‘𝐾)) ↔ ({𝐴, 𝐵} ⊆ (𝐼‘𝐽) ∧ {𝐵, 𝐴} ⊆ (𝐼‘𝐾))) |
15 | 11, 14 | sylib 217 | . 2 ⊢ (𝜑 → ({𝐴, 𝐵} ⊆ (𝐼‘𝐽) ∧ {𝐵, 𝐴} ⊆ (𝐼‘𝐾))) |
16 | 2cycl2d.6 | . 2 ⊢ 𝑉 = (Vtx‘𝐺) | |
17 | 2cycl2d.7 | . 2 ⊢ 𝐼 = (iEdg‘𝐺) | |
18 | 2cycl2d.8 | . 2 ⊢ (𝜑 → 𝐽 ≠ 𝐾) | |
19 | eqidd 2729 | . 2 ⊢ (𝜑 → 𝐴 = 𝐴) | |
20 | 1, 2, 7, 10, 15, 16, 17, 18, 19 | 2cycld 34748 | 1 ⊢ (𝜑 → 𝐹(Cycles‘𝐺)𝑃) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1085 = wceq 1534 ∈ wcel 2099 ≠ wne 2937 ⊆ wss 3947 {cpr 4631 class class class wbr 5148 ‘cfv 6548 〈“cs2 14825 〈“cs3 14826 Vtxcvtx 28822 iEdgciedg 28823 Cyclesccycls 29612 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2699 ax-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5365 ax-pr 5429 ax-un 7740 ax-cnex 11195 ax-resscn 11196 ax-1cn 11197 ax-icn 11198 ax-addcl 11199 ax-addrcl 11200 ax-mulcl 11201 ax-mulrcl 11202 ax-mulcom 11203 ax-addass 11204 ax-mulass 11205 ax-distr 11206 ax-i2m1 11207 ax-1ne0 11208 ax-1rid 11209 ax-rnegex 11210 ax-rrecex 11211 ax-cnre 11212 ax-pre-lttri 11213 ax-pre-lttrn 11214 ax-pre-ltadd 11215 ax-pre-mulgt0 11216 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 847 df-ifp 1062 df-3or 1086 df-3an 1087 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2530 df-eu 2559 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-reu 3374 df-rab 3430 df-v 3473 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-tp 4634 df-op 4636 df-uni 4909 df-int 4950 df-iun 4998 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5576 df-eprel 5582 df-po 5590 df-so 5591 df-fr 5633 df-we 5635 df-xp 5684 df-rel 5685 df-cnv 5686 df-co 5687 df-dm 5688 df-rn 5689 df-res 5690 df-ima 5691 df-pred 6305 df-ord 6372 df-on 6373 df-lim 6374 df-suc 6375 df-iota 6500 df-fun 6550 df-fn 6551 df-f 6552 df-f1 6553 df-fo 6554 df-f1o 6555 df-fv 6556 df-riota 7376 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7871 df-1st 7993 df-2nd 7994 df-frecs 8287 df-wrecs 8318 df-recs 8392 df-rdg 8431 df-1o 8487 df-er 8725 df-map 8847 df-en 8965 df-dom 8966 df-sdom 8967 df-fin 8968 df-card 9963 df-pnf 11281 df-mnf 11282 df-xr 11283 df-ltxr 11284 df-le 11285 df-sub 11477 df-neg 11478 df-nn 12244 df-2 12306 df-3 12307 df-n0 12504 df-z 12590 df-uz 12854 df-fz 13518 df-fzo 13661 df-hash 14323 df-word 14498 df-concat 14554 df-s1 14579 df-s2 14832 df-s3 14833 df-wlks 29426 df-trls 29519 df-pths 29543 df-cycls 29614 |
This theorem is referenced by: umgr2cycllem 34750 |
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