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Mirrors > Home > MPE Home > Th. List > Mathboxes > umgrres1lem | Structured version Visualization version GIF version |
Description: Lemma for umgrres1 40533. (Contributed by AV, 27-Nov-2020.) |
Ref | Expression |
---|---|
upgrres1.v | ⊢ 𝑉 = (Vtx‘𝐺) |
upgrres1.e | ⊢ 𝐸 = (Edg‘𝐺) |
upgrres1.f | ⊢ 𝐹 = {𝑒 ∈ 𝐸 ∣ 𝑁 ∉ 𝑒} |
Ref | Expression |
---|---|
umgrres1lem | ⊢ ((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) → ran ( I ↾ 𝐹) ⊆ {𝑝 ∈ 𝒫 (𝑉 ∖ {𝑁}) ∣ (#‘𝑝) = 2}) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rnresi 5398 | . 2 ⊢ ran ( I ↾ 𝐹) = 𝐹 | |
2 | upgrres1.f | . . . 4 ⊢ 𝐹 = {𝑒 ∈ 𝐸 ∣ 𝑁 ∉ 𝑒} | |
3 | simpr 476 | . . . . . . . . 9 ⊢ (((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) ∧ 𝑒 ∈ 𝐸) → 𝑒 ∈ 𝐸) | |
4 | 3 | adantr 480 | . . . . . . . 8 ⊢ ((((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) ∧ 𝑒 ∈ 𝐸) ∧ 𝑁 ∉ 𝑒) → 𝑒 ∈ 𝐸) |
5 | umgruhgr 25770 | . . . . . . . . . 10 ⊢ (𝐺 ∈ UMGraph → 𝐺 ∈ UHGraph ) | |
6 | upgrres1.e | . . . . . . . . . . . 12 ⊢ 𝐸 = (Edg‘𝐺) | |
7 | 6 | eleq2i 2680 | . . . . . . . . . . 11 ⊢ (𝑒 ∈ 𝐸 ↔ 𝑒 ∈ (Edg‘𝐺)) |
8 | 7 | biimpi 205 | . . . . . . . . . 10 ⊢ (𝑒 ∈ 𝐸 → 𝑒 ∈ (Edg‘𝐺)) |
9 | edguhgr 25803 | . . . . . . . . . . 11 ⊢ ((𝐺 ∈ UHGraph ∧ 𝑒 ∈ (Edg‘𝐺)) → 𝑒 ∈ 𝒫 (Vtx‘𝐺)) | |
10 | elpwi 4117 | . . . . . . . . . . . 12 ⊢ (𝑒 ∈ 𝒫 (Vtx‘𝐺) → 𝑒 ⊆ (Vtx‘𝐺)) | |
11 | upgrres1.v | . . . . . . . . . . . 12 ⊢ 𝑉 = (Vtx‘𝐺) | |
12 | 10, 11 | syl6sseqr 3615 | . . . . . . . . . . 11 ⊢ (𝑒 ∈ 𝒫 (Vtx‘𝐺) → 𝑒 ⊆ 𝑉) |
13 | 9, 12 | syl 17 | . . . . . . . . . 10 ⊢ ((𝐺 ∈ UHGraph ∧ 𝑒 ∈ (Edg‘𝐺)) → 𝑒 ⊆ 𝑉) |
14 | 5, 8, 13 | syl2an 493 | . . . . . . . . 9 ⊢ ((𝐺 ∈ UMGraph ∧ 𝑒 ∈ 𝐸) → 𝑒 ⊆ 𝑉) |
15 | 14 | ad4ant13 1284 | . . . . . . . 8 ⊢ ((((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) ∧ 𝑒 ∈ 𝐸) ∧ 𝑁 ∉ 𝑒) → 𝑒 ⊆ 𝑉) |
16 | simpr 476 | . . . . . . . 8 ⊢ ((((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) ∧ 𝑒 ∈ 𝐸) ∧ 𝑁 ∉ 𝑒) → 𝑁 ∉ 𝑒) | |
17 | elpwdifsn 40312 | . . . . . . . 8 ⊢ ((𝑒 ∈ 𝐸 ∧ 𝑒 ⊆ 𝑉 ∧ 𝑁 ∉ 𝑒) → 𝑒 ∈ 𝒫 (𝑉 ∖ {𝑁})) | |
18 | 4, 15, 16, 17 | syl3anc 1318 | . . . . . . 7 ⊢ ((((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) ∧ 𝑒 ∈ 𝐸) ∧ 𝑁 ∉ 𝑒) → 𝑒 ∈ 𝒫 (𝑉 ∖ {𝑁})) |
19 | 18 | ex 449 | . . . . . 6 ⊢ (((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) ∧ 𝑒 ∈ 𝐸) → (𝑁 ∉ 𝑒 → 𝑒 ∈ 𝒫 (𝑉 ∖ {𝑁}))) |
20 | 19 | ralrimiva 2949 | . . . . 5 ⊢ ((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) → ∀𝑒 ∈ 𝐸 (𝑁 ∉ 𝑒 → 𝑒 ∈ 𝒫 (𝑉 ∖ {𝑁}))) |
21 | rabss 3642 | . . . . 5 ⊢ ({𝑒 ∈ 𝐸 ∣ 𝑁 ∉ 𝑒} ⊆ 𝒫 (𝑉 ∖ {𝑁}) ↔ ∀𝑒 ∈ 𝐸 (𝑁 ∉ 𝑒 → 𝑒 ∈ 𝒫 (𝑉 ∖ {𝑁}))) | |
22 | 20, 21 | sylibr 223 | . . . 4 ⊢ ((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) → {𝑒 ∈ 𝐸 ∣ 𝑁 ∉ 𝑒} ⊆ 𝒫 (𝑉 ∖ {𝑁})) |
23 | 2, 22 | syl5eqss 3612 | . . 3 ⊢ ((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) → 𝐹 ⊆ 𝒫 (𝑉 ∖ {𝑁})) |
24 | elrabi 3328 | . . . . . . 7 ⊢ (𝑝 ∈ {𝑒 ∈ 𝐸 ∣ 𝑁 ∉ 𝑒} → 𝑝 ∈ 𝐸) | |
25 | 24, 6 | syl6eleq 2698 | . . . . . 6 ⊢ (𝑝 ∈ {𝑒 ∈ 𝐸 ∣ 𝑁 ∉ 𝑒} → 𝑝 ∈ (Edg‘𝐺)) |
26 | edgumgr 25809 | . . . . . . . . 9 ⊢ ((𝐺 ∈ UMGraph ∧ 𝑝 ∈ (Edg‘𝐺)) → (𝑝 ∈ 𝒫 (Vtx‘𝐺) ∧ (#‘𝑝) = 2)) | |
27 | 26 | simprd 478 | . . . . . . . 8 ⊢ ((𝐺 ∈ UMGraph ∧ 𝑝 ∈ (Edg‘𝐺)) → (#‘𝑝) = 2) |
28 | 27 | ex 449 | . . . . . . 7 ⊢ (𝐺 ∈ UMGraph → (𝑝 ∈ (Edg‘𝐺) → (#‘𝑝) = 2)) |
29 | 28 | adantr 480 | . . . . . 6 ⊢ ((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) → (𝑝 ∈ (Edg‘𝐺) → (#‘𝑝) = 2)) |
30 | 25, 29 | syl5com 31 | . . . . 5 ⊢ (𝑝 ∈ {𝑒 ∈ 𝐸 ∣ 𝑁 ∉ 𝑒} → ((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) → (#‘𝑝) = 2)) |
31 | 30, 2 | eleq2s 2706 | . . . 4 ⊢ (𝑝 ∈ 𝐹 → ((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) → (#‘𝑝) = 2)) |
32 | 31 | impcom 445 | . . 3 ⊢ (((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) ∧ 𝑝 ∈ 𝐹) → (#‘𝑝) = 2) |
33 | 23, 32 | ssrabdv 3644 | . 2 ⊢ ((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) → 𝐹 ⊆ {𝑝 ∈ 𝒫 (𝑉 ∖ {𝑁}) ∣ (#‘𝑝) = 2}) |
34 | 1, 33 | syl5eqss 3612 | 1 ⊢ ((𝐺 ∈ UMGraph ∧ 𝑁 ∈ 𝑉) → ran ( I ↾ 𝐹) ⊆ {𝑝 ∈ 𝒫 (𝑉 ∖ {𝑁}) ∣ (#‘𝑝) = 2}) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 = wceq 1475 ∈ wcel 1977 ∉ wnel 2781 ∀wral 2896 {crab 2900 ∖ cdif 3537 ⊆ wss 3540 𝒫 cpw 4108 {csn 4125 I cid 4948 ran crn 5039 ↾ cres 5040 ‘cfv 5804 2c2 10947 #chash 12979 Vtxcvtx 25673 UHGraph cuhgr 25722 UMGraph cumgr 25748 Edgcedga 25792 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-int 4411 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-1st 7059 df-2nd 7060 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-1o 7447 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-fin 7845 df-card 8648 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-nn 10898 df-2 10956 df-n0 11170 df-z 11255 df-uz 11564 df-fz 12198 df-hash 12980 df-uhgr 25724 df-upgr 25749 df-umgr 25750 df-edga 25793 |
This theorem is referenced by: umgrres1 40533 usgrres1 40534 |
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