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Mirrors > Home > MPE Home > Th. List > wlkp1lem5 | Structured version Visualization version GIF version |
Description: Lemma for wlkp1 29515. (Contributed by AV, 6-Mar-2021.) |
Ref | Expression |
---|---|
wlkp1.v | ⊢ 𝑉 = (Vtx‘𝐺) |
wlkp1.i | ⊢ 𝐼 = (iEdg‘𝐺) |
wlkp1.f | ⊢ (𝜑 → Fun 𝐼) |
wlkp1.a | ⊢ (𝜑 → 𝐼 ∈ Fin) |
wlkp1.b | ⊢ (𝜑 → 𝐵 ∈ 𝑊) |
wlkp1.c | ⊢ (𝜑 → 𝐶 ∈ 𝑉) |
wlkp1.d | ⊢ (𝜑 → ¬ 𝐵 ∈ dom 𝐼) |
wlkp1.w | ⊢ (𝜑 → 𝐹(Walks‘𝐺)𝑃) |
wlkp1.n | ⊢ 𝑁 = (♯‘𝐹) |
wlkp1.e | ⊢ (𝜑 → 𝐸 ∈ (Edg‘𝐺)) |
wlkp1.x | ⊢ (𝜑 → {(𝑃‘𝑁), 𝐶} ⊆ 𝐸) |
wlkp1.u | ⊢ (𝜑 → (iEdg‘𝑆) = (𝐼 ∪ {〈𝐵, 𝐸〉})) |
wlkp1.h | ⊢ 𝐻 = (𝐹 ∪ {〈𝑁, 𝐵〉}) |
wlkp1.q | ⊢ 𝑄 = (𝑃 ∪ {〈(𝑁 + 1), 𝐶〉}) |
wlkp1.s | ⊢ (𝜑 → (Vtx‘𝑆) = 𝑉) |
Ref | Expression |
---|---|
wlkp1lem5 | ⊢ (𝜑 → ∀𝑘 ∈ (0...𝑁)(𝑄‘𝑘) = (𝑃‘𝑘)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wlkp1.q | . . . 4 ⊢ 𝑄 = (𝑃 ∪ {〈(𝑁 + 1), 𝐶〉}) | |
2 | 1 | fveq1i 6903 | . . 3 ⊢ (𝑄‘𝑘) = ((𝑃 ∪ {〈(𝑁 + 1), 𝐶〉})‘𝑘) |
3 | fzp1nel 13625 | . . . . . . . . 9 ⊢ ¬ (𝑁 + 1) ∈ (0...𝑁) | |
4 | eleq1 2817 | . . . . . . . . . . 11 ⊢ (𝑘 = (𝑁 + 1) → (𝑘 ∈ (0...𝑁) ↔ (𝑁 + 1) ∈ (0...𝑁))) | |
5 | 4 | notbid 317 | . . . . . . . . . 10 ⊢ (𝑘 = (𝑁 + 1) → (¬ 𝑘 ∈ (0...𝑁) ↔ ¬ (𝑁 + 1) ∈ (0...𝑁))) |
6 | 5 | eqcoms 2736 | . . . . . . . . 9 ⊢ ((𝑁 + 1) = 𝑘 → (¬ 𝑘 ∈ (0...𝑁) ↔ ¬ (𝑁 + 1) ∈ (0...𝑁))) |
7 | 3, 6 | mpbiri 257 | . . . . . . . 8 ⊢ ((𝑁 + 1) = 𝑘 → ¬ 𝑘 ∈ (0...𝑁)) |
8 | 7 | a1i 11 | . . . . . . 7 ⊢ (𝜑 → ((𝑁 + 1) = 𝑘 → ¬ 𝑘 ∈ (0...𝑁))) |
9 | 8 | con2d 134 | . . . . . 6 ⊢ (𝜑 → (𝑘 ∈ (0...𝑁) → ¬ (𝑁 + 1) = 𝑘)) |
10 | 9 | imp 405 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...𝑁)) → ¬ (𝑁 + 1) = 𝑘) |
11 | 10 | neqned 2944 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...𝑁)) → (𝑁 + 1) ≠ 𝑘) |
12 | fvunsn 7194 | . . . 4 ⊢ ((𝑁 + 1) ≠ 𝑘 → ((𝑃 ∪ {〈(𝑁 + 1), 𝐶〉})‘𝑘) = (𝑃‘𝑘)) | |
13 | 11, 12 | syl 17 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...𝑁)) → ((𝑃 ∪ {〈(𝑁 + 1), 𝐶〉})‘𝑘) = (𝑃‘𝑘)) |
14 | 2, 13 | eqtrid 2780 | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...𝑁)) → (𝑄‘𝑘) = (𝑃‘𝑘)) |
15 | 14 | ralrimiva 3143 | 1 ⊢ (𝜑 → ∀𝑘 ∈ (0...𝑁)(𝑄‘𝑘) = (𝑃‘𝑘)) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 394 = wceq 1533 ∈ wcel 2098 ≠ wne 2937 ∀wral 3058 ∪ cun 3947 ⊆ wss 3949 {csn 4632 {cpr 4634 〈cop 4638 class class class wbr 5152 dom cdm 5682 Fun wfun 6547 ‘cfv 6553 (class class class)co 7426 Fincfn 8970 0cc0 11146 1c1 11147 + caddc 11149 ...cfz 13524 ♯chash 14329 Vtxcvtx 28829 iEdgciedg 28830 Edgcedg 28880 Walkscwlks 29430 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2699 ax-sep 5303 ax-nul 5310 ax-pow 5369 ax-pr 5433 ax-un 7746 ax-cnex 11202 ax-resscn 11203 ax-1cn 11204 ax-icn 11205 ax-addcl 11206 ax-addrcl 11207 ax-mulcl 11208 ax-mulrcl 11209 ax-mulcom 11210 ax-addass 11211 ax-mulass 11212 ax-distr 11213 ax-i2m1 11214 ax-1ne0 11215 ax-1rid 11216 ax-rnegex 11217 ax-rrecex 11218 ax-cnre 11219 ax-pre-lttri 11220 ax-pre-lttrn 11221 ax-pre-ltadd 11222 ax-pre-mulgt0 11223 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2529 df-eu 2558 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 3375 df-rab 3431 df-v 3475 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-nul 4327 df-if 4533 df-pw 4608 df-sn 4633 df-pr 4635 df-op 4639 df-uni 4913 df-iun 5002 df-br 5153 df-opab 5215 df-mpt 5236 df-id 5580 df-po 5594 df-so 5595 df-xp 5688 df-rel 5689 df-cnv 5690 df-co 5691 df-dm 5692 df-rn 5693 df-res 5694 df-ima 5695 df-iota 6505 df-fun 6555 df-fn 6556 df-f 6557 df-f1 6558 df-fo 6559 df-f1o 6560 df-fv 6561 df-riota 7382 df-ov 7429 df-oprab 7430 df-mpo 7431 df-1st 7999 df-2nd 8000 df-er 8731 df-en 8971 df-dom 8972 df-sdom 8973 df-pnf 11288 df-mnf 11289 df-xr 11290 df-ltxr 11291 df-le 11292 df-sub 11484 df-neg 11485 df-z 12597 df-fz 13525 |
This theorem is referenced by: wlkp1lem6 29512 wlkp1lem7 29513 wlkp1lem8 29514 eupth2eucrct 30047 |
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