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Mirrors > Home > MPE Home > Th. List > disjxwwlkn | Structured version Visualization version GIF version |
Description: Sets of walks (as words) extended by an edge are disjunct if each set contains extensions of distinct walks. (Contributed by Alexander van der Vekens, 21-Aug-2018.) (Revised by AV, 20-Apr-2021.) (Revised by AV, 26-Oct-2022.) |
Ref | Expression |
---|---|
wwlksnextprop.x | ⊢ 𝑋 = ((𝑁 + 1) WWalksN 𝐺) |
wwlksnextprop.e | ⊢ 𝐸 = (Edg‘𝐺) |
wwlksnextprop.y | ⊢ 𝑌 = {𝑤 ∈ (𝑁 WWalksN 𝐺) ∣ (𝑤‘0) = 𝑃} |
Ref | Expression |
---|---|
disjxwwlkn | ⊢ Disj 𝑦 ∈ 𝑌 {𝑥 ∈ 𝑋 ∣ ((𝑥 prefix 𝑀) = 𝑦 ∧ (𝑦‘0) = 𝑃 ∧ {(lastS‘𝑦), (lastS‘𝑥)} ∈ 𝐸)} |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp1 1133 | . . . . . 6 ⊢ (((𝑥 prefix 𝑀) = 𝑦 ∧ (𝑦‘0) = 𝑃 ∧ {(lastS‘𝑦), (lastS‘𝑥)} ∈ 𝐸) → (𝑥 prefix 𝑀) = 𝑦) | |
2 | 1 | rgenw 3118 | . . . . 5 ⊢ ∀𝑥 ∈ 𝑋 (((𝑥 prefix 𝑀) = 𝑦 ∧ (𝑦‘0) = 𝑃 ∧ {(lastS‘𝑦), (lastS‘𝑥)} ∈ 𝐸) → (𝑥 prefix 𝑀) = 𝑦) |
3 | ss2rab 3998 | . . . . 5 ⊢ ({𝑥 ∈ 𝑋 ∣ ((𝑥 prefix 𝑀) = 𝑦 ∧ (𝑦‘0) = 𝑃 ∧ {(lastS‘𝑦), (lastS‘𝑥)} ∈ 𝐸)} ⊆ {𝑥 ∈ 𝑋 ∣ (𝑥 prefix 𝑀) = 𝑦} ↔ ∀𝑥 ∈ 𝑋 (((𝑥 prefix 𝑀) = 𝑦 ∧ (𝑦‘0) = 𝑃 ∧ {(lastS‘𝑦), (lastS‘𝑥)} ∈ 𝐸) → (𝑥 prefix 𝑀) = 𝑦)) | |
4 | 2, 3 | mpbir 234 | . . . 4 ⊢ {𝑥 ∈ 𝑋 ∣ ((𝑥 prefix 𝑀) = 𝑦 ∧ (𝑦‘0) = 𝑃 ∧ {(lastS‘𝑦), (lastS‘𝑥)} ∈ 𝐸)} ⊆ {𝑥 ∈ 𝑋 ∣ (𝑥 prefix 𝑀) = 𝑦} |
5 | wwlksnextprop.x | . . . . . 6 ⊢ 𝑋 = ((𝑁 + 1) WWalksN 𝐺) | |
6 | wwlkssswwlksn 27652 | . . . . . . 7 ⊢ ((𝑁 + 1) WWalksN 𝐺) ⊆ (WWalks‘𝐺) | |
7 | eqid 2798 | . . . . . . . 8 ⊢ (Vtx‘𝐺) = (Vtx‘𝐺) | |
8 | 7 | wwlkssswrd 27648 | . . . . . . 7 ⊢ (WWalks‘𝐺) ⊆ Word (Vtx‘𝐺) |
9 | 6, 8 | sstri 3924 | . . . . . 6 ⊢ ((𝑁 + 1) WWalksN 𝐺) ⊆ Word (Vtx‘𝐺) |
10 | 5, 9 | eqsstri 3949 | . . . . 5 ⊢ 𝑋 ⊆ Word (Vtx‘𝐺) |
11 | rabss2 4005 | . . . . 5 ⊢ (𝑋 ⊆ Word (Vtx‘𝐺) → {𝑥 ∈ 𝑋 ∣ (𝑥 prefix 𝑀) = 𝑦} ⊆ {𝑥 ∈ Word (Vtx‘𝐺) ∣ (𝑥 prefix 𝑀) = 𝑦}) | |
12 | 10, 11 | ax-mp 5 | . . . 4 ⊢ {𝑥 ∈ 𝑋 ∣ (𝑥 prefix 𝑀) = 𝑦} ⊆ {𝑥 ∈ Word (Vtx‘𝐺) ∣ (𝑥 prefix 𝑀) = 𝑦} |
13 | 4, 12 | sstri 3924 | . . 3 ⊢ {𝑥 ∈ 𝑋 ∣ ((𝑥 prefix 𝑀) = 𝑦 ∧ (𝑦‘0) = 𝑃 ∧ {(lastS‘𝑦), (lastS‘𝑥)} ∈ 𝐸)} ⊆ {𝑥 ∈ Word (Vtx‘𝐺) ∣ (𝑥 prefix 𝑀) = 𝑦} |
14 | 13 | rgenw 3118 | . 2 ⊢ ∀𝑦 ∈ 𝑌 {𝑥 ∈ 𝑋 ∣ ((𝑥 prefix 𝑀) = 𝑦 ∧ (𝑦‘0) = 𝑃 ∧ {(lastS‘𝑦), (lastS‘𝑥)} ∈ 𝐸)} ⊆ {𝑥 ∈ Word (Vtx‘𝐺) ∣ (𝑥 prefix 𝑀) = 𝑦} |
15 | disjwrdpfx 14053 | . 2 ⊢ Disj 𝑦 ∈ 𝑌 {𝑥 ∈ Word (Vtx‘𝐺) ∣ (𝑥 prefix 𝑀) = 𝑦} | |
16 | disjss2 4998 | . 2 ⊢ (∀𝑦 ∈ 𝑌 {𝑥 ∈ 𝑋 ∣ ((𝑥 prefix 𝑀) = 𝑦 ∧ (𝑦‘0) = 𝑃 ∧ {(lastS‘𝑦), (lastS‘𝑥)} ∈ 𝐸)} ⊆ {𝑥 ∈ Word (Vtx‘𝐺) ∣ (𝑥 prefix 𝑀) = 𝑦} → (Disj 𝑦 ∈ 𝑌 {𝑥 ∈ Word (Vtx‘𝐺) ∣ (𝑥 prefix 𝑀) = 𝑦} → Disj 𝑦 ∈ 𝑌 {𝑥 ∈ 𝑋 ∣ ((𝑥 prefix 𝑀) = 𝑦 ∧ (𝑦‘0) = 𝑃 ∧ {(lastS‘𝑦), (lastS‘𝑥)} ∈ 𝐸)})) | |
17 | 14, 15, 16 | mp2 9 | 1 ⊢ Disj 𝑦 ∈ 𝑌 {𝑥 ∈ 𝑋 ∣ ((𝑥 prefix 𝑀) = 𝑦 ∧ (𝑦‘0) = 𝑃 ∧ {(lastS‘𝑦), (lastS‘𝑥)} ∈ 𝐸)} |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1084 = wceq 1538 ∈ wcel 2111 ∀wral 3106 {crab 3110 ⊆ wss 3881 {cpr 4527 Disj wdisj 4995 ‘cfv 6324 (class class class)co 7135 0cc0 10526 1c1 10527 + caddc 10529 Word cword 13857 lastSclsw 13905 prefix cpfx 14023 Vtxcvtx 26789 Edgcedg 26840 WWalkscwwlks 27611 WWalksN cwwlksn 27612 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-cnex 10582 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 ax-pre-mulgt0 10603 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rmo 3114 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-int 4839 df-iun 4883 df-disj 4996 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-om 7561 df-1st 7671 df-2nd 7672 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-1o 8085 df-er 8272 df-map 8391 df-en 8493 df-dom 8494 df-sdom 8495 df-fin 8496 df-card 9352 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-nn 11626 df-n0 11886 df-z 11970 df-uz 12232 df-fz 12886 df-fzo 13029 df-hash 13687 df-word 13858 df-wwlks 27616 df-wwlksn 27617 |
This theorem is referenced by: hashwwlksnext 27700 |
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