Mathbox for Alexander van der Vekens |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > 1wlkp1lem5 | Structured version Visualization version GIF version |
Description: Lemma for 1wlkp1 40890. (Contributed by AV, 6-Mar-2021.) |
Ref | Expression |
---|---|
1wlkp1.v | ⊢ 𝑉 = (Vtx‘𝐺) |
1wlkp1.i | ⊢ 𝐼 = (iEdg‘𝐺) |
1wlkp1.f | ⊢ (𝜑 → Fun 𝐼) |
1wlkp1.a | ⊢ (𝜑 → 𝐼 ∈ Fin) |
1wlkp1.b | ⊢ (𝜑 → 𝐵 ∈ V) |
1wlkp1.c | ⊢ (𝜑 → 𝐶 ∈ 𝑉) |
1wlkp1.d | ⊢ (𝜑 → ¬ 𝐵 ∈ dom 𝐼) |
1wlkp1.w | ⊢ (𝜑 → 𝐹(1Walks‘𝐺)𝑃) |
1wlkp1.n | ⊢ 𝑁 = (#‘𝐹) |
1wlkp1.e | ⊢ (𝜑 → 𝐸 ∈ (Edg‘𝐺)) |
1wlkp1.x | ⊢ (𝜑 → {(𝑃‘𝑁), 𝐶} ⊆ 𝐸) |
1wlkp1.u | ⊢ (𝜑 → (iEdg‘𝑆) = (𝐼 ∪ {〈𝐵, 𝐸〉})) |
1wlkp1.h | ⊢ 𝐻 = (𝐹 ∪ {〈𝑁, 𝐵〉}) |
1wlkp1.q | ⊢ 𝑄 = (𝑃 ∪ {〈(𝑁 + 1), 𝐶〉}) |
1wlkp1.s | ⊢ (𝜑 → (Vtx‘𝑆) = 𝑉) |
Ref | Expression |
---|---|
1wlkp1lem5 | ⊢ (𝜑 → ∀𝑘 ∈ (0...𝑁)(𝑄‘𝑘) = (𝑃‘𝑘)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1wlkp1.q | . . . 4 ⊢ 𝑄 = (𝑃 ∪ {〈(𝑁 + 1), 𝐶〉}) | |
2 | 1 | fveq1i 6104 | . . 3 ⊢ (𝑄‘𝑘) = ((𝑃 ∪ {〈(𝑁 + 1), 𝐶〉})‘𝑘) |
3 | fzp1nel 12293 | . . . . . . . . 9 ⊢ ¬ (𝑁 + 1) ∈ (0...𝑁) | |
4 | eleq1 2676 | . . . . . . . . . . 11 ⊢ (𝑘 = (𝑁 + 1) → (𝑘 ∈ (0...𝑁) ↔ (𝑁 + 1) ∈ (0...𝑁))) | |
5 | 4 | notbid 307 | . . . . . . . . . 10 ⊢ (𝑘 = (𝑁 + 1) → (¬ 𝑘 ∈ (0...𝑁) ↔ ¬ (𝑁 + 1) ∈ (0...𝑁))) |
6 | 5 | eqcoms 2618 | . . . . . . . . 9 ⊢ ((𝑁 + 1) = 𝑘 → (¬ 𝑘 ∈ (0...𝑁) ↔ ¬ (𝑁 + 1) ∈ (0...𝑁))) |
7 | 3, 6 | mpbiri 247 | . . . . . . . 8 ⊢ ((𝑁 + 1) = 𝑘 → ¬ 𝑘 ∈ (0...𝑁)) |
8 | 7 | a1i 11 | . . . . . . 7 ⊢ (𝜑 → ((𝑁 + 1) = 𝑘 → ¬ 𝑘 ∈ (0...𝑁))) |
9 | 8 | con2d 128 | . . . . . 6 ⊢ (𝜑 → (𝑘 ∈ (0...𝑁) → ¬ (𝑁 + 1) = 𝑘)) |
10 | 9 | imp 444 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...𝑁)) → ¬ (𝑁 + 1) = 𝑘) |
11 | 10 | neqned 2789 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...𝑁)) → (𝑁 + 1) ≠ 𝑘) |
12 | fvunsn 6350 | . . . 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 | syl5eq 2656 | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ (0...𝑁)) → (𝑄‘𝑘) = (𝑃‘𝑘)) |
15 | 14 | ralrimiva 2949 | 1 ⊢ (𝜑 → ∀𝑘 ∈ (0...𝑁)(𝑄‘𝑘) = (𝑃‘𝑘)) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 195 ∧ wa 383 = wceq 1475 ∈ wcel 1977 ≠ wne 2780 ∀wral 2896 Vcvv 3173 ∪ cun 3538 ⊆ wss 3540 {csn 4125 {cpr 4127 〈cop 4131 class class class wbr 4583 dom cdm 5038 Fun wfun 5798 ‘cfv 5804 (class class class)co 6549 Fincfn 7841 0cc0 9815 1c1 9816 + caddc 9818 ...cfz 12197 #chash 12979 Vtxcvtx 25673 iEdgciedg 25674 Edgcedga 25792 1Walksc1wlks 40796 |
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-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-po 4959 df-so 4960 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-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-1st 7059 df-2nd 7060 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-z 11255 df-fz 12198 |
This theorem is referenced by: 1wlkp1lem6 40887 1wlkp1lem7 40888 1wlkp1lem8 40889 eupth2eucrct 41385 |
Copyright terms: Public domain | W3C validator |