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Mirrors > Home > MPE Home > Th. List > 2wlkdlem5 | Structured version Visualization version GIF version |
Description: Lemma 5 for 2wlkd 28202. (Contributed by AV, 14-Feb-2021.) |
Ref | Expression |
---|---|
2wlkd.p | ⊢ 𝑃 = 〈“𝐴𝐵𝐶”〉 |
2wlkd.f | ⊢ 𝐹 = 〈“𝐽𝐾”〉 |
2wlkd.s | ⊢ (𝜑 → (𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉 ∧ 𝐶 ∈ 𝑉)) |
2wlkd.n | ⊢ (𝜑 → (𝐴 ≠ 𝐵 ∧ 𝐵 ≠ 𝐶)) |
Ref | Expression |
---|---|
2wlkdlem5 | ⊢ (𝜑 → ∀𝑘 ∈ (0..^(♯‘𝐹))(𝑃‘𝑘) ≠ (𝑃‘(𝑘 + 1))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2wlkd.n | . . 3 ⊢ (𝜑 → (𝐴 ≠ 𝐵 ∧ 𝐵 ≠ 𝐶)) | |
2 | 2wlkd.p | . . . . 5 ⊢ 𝑃 = 〈“𝐴𝐵𝐶”〉 | |
3 | 2wlkd.f | . . . . 5 ⊢ 𝐹 = 〈“𝐽𝐾”〉 | |
4 | 2wlkd.s | . . . . 5 ⊢ (𝜑 → (𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉 ∧ 𝐶 ∈ 𝑉)) | |
5 | 2, 3, 4 | 2wlkdlem3 28193 | . . . 4 ⊢ (𝜑 → ((𝑃‘0) = 𝐴 ∧ (𝑃‘1) = 𝐵 ∧ (𝑃‘2) = 𝐶)) |
6 | simp1 1134 | . . . . . . 7 ⊢ (((𝑃‘0) = 𝐴 ∧ (𝑃‘1) = 𝐵 ∧ (𝑃‘2) = 𝐶) → (𝑃‘0) = 𝐴) | |
7 | simp2 1135 | . . . . . . 7 ⊢ (((𝑃‘0) = 𝐴 ∧ (𝑃‘1) = 𝐵 ∧ (𝑃‘2) = 𝐶) → (𝑃‘1) = 𝐵) | |
8 | 6, 7 | neeq12d 3004 | . . . . . 6 ⊢ (((𝑃‘0) = 𝐴 ∧ (𝑃‘1) = 𝐵 ∧ (𝑃‘2) = 𝐶) → ((𝑃‘0) ≠ (𝑃‘1) ↔ 𝐴 ≠ 𝐵)) |
9 | simp3 1136 | . . . . . . 7 ⊢ (((𝑃‘0) = 𝐴 ∧ (𝑃‘1) = 𝐵 ∧ (𝑃‘2) = 𝐶) → (𝑃‘2) = 𝐶) | |
10 | 7, 9 | neeq12d 3004 | . . . . . 6 ⊢ (((𝑃‘0) = 𝐴 ∧ (𝑃‘1) = 𝐵 ∧ (𝑃‘2) = 𝐶) → ((𝑃‘1) ≠ (𝑃‘2) ↔ 𝐵 ≠ 𝐶)) |
11 | 8, 10 | anbi12d 630 | . . . . 5 ⊢ (((𝑃‘0) = 𝐴 ∧ (𝑃‘1) = 𝐵 ∧ (𝑃‘2) = 𝐶) → (((𝑃‘0) ≠ (𝑃‘1) ∧ (𝑃‘1) ≠ (𝑃‘2)) ↔ (𝐴 ≠ 𝐵 ∧ 𝐵 ≠ 𝐶))) |
12 | 11 | bicomd 222 | . . . 4 ⊢ (((𝑃‘0) = 𝐴 ∧ (𝑃‘1) = 𝐵 ∧ (𝑃‘2) = 𝐶) → ((𝐴 ≠ 𝐵 ∧ 𝐵 ≠ 𝐶) ↔ ((𝑃‘0) ≠ (𝑃‘1) ∧ (𝑃‘1) ≠ (𝑃‘2)))) |
13 | 5, 12 | syl 17 | . . 3 ⊢ (𝜑 → ((𝐴 ≠ 𝐵 ∧ 𝐵 ≠ 𝐶) ↔ ((𝑃‘0) ≠ (𝑃‘1) ∧ (𝑃‘1) ≠ (𝑃‘2)))) |
14 | 1, 13 | mpbid 231 | . 2 ⊢ (𝜑 → ((𝑃‘0) ≠ (𝑃‘1) ∧ (𝑃‘1) ≠ (𝑃‘2))) |
15 | 2, 3 | 2wlkdlem2 28192 | . . . 4 ⊢ (0..^(♯‘𝐹)) = {0, 1} |
16 | 15 | raleqi 3337 | . . 3 ⊢ (∀𝑘 ∈ (0..^(♯‘𝐹))(𝑃‘𝑘) ≠ (𝑃‘(𝑘 + 1)) ↔ ∀𝑘 ∈ {0, 1} (𝑃‘𝑘) ≠ (𝑃‘(𝑘 + 1))) |
17 | c0ex 10900 | . . . 4 ⊢ 0 ∈ V | |
18 | 1ex 10902 | . . . 4 ⊢ 1 ∈ V | |
19 | fveq2 6756 | . . . . 5 ⊢ (𝑘 = 0 → (𝑃‘𝑘) = (𝑃‘0)) | |
20 | fv0p1e1 12026 | . . . . 5 ⊢ (𝑘 = 0 → (𝑃‘(𝑘 + 1)) = (𝑃‘1)) | |
21 | 19, 20 | neeq12d 3004 | . . . 4 ⊢ (𝑘 = 0 → ((𝑃‘𝑘) ≠ (𝑃‘(𝑘 + 1)) ↔ (𝑃‘0) ≠ (𝑃‘1))) |
22 | fveq2 6756 | . . . . 5 ⊢ (𝑘 = 1 → (𝑃‘𝑘) = (𝑃‘1)) | |
23 | oveq1 7262 | . . . . . . 7 ⊢ (𝑘 = 1 → (𝑘 + 1) = (1 + 1)) | |
24 | 1p1e2 12028 | . . . . . . 7 ⊢ (1 + 1) = 2 | |
25 | 23, 24 | eqtrdi 2795 | . . . . . 6 ⊢ (𝑘 = 1 → (𝑘 + 1) = 2) |
26 | 25 | fveq2d 6760 | . . . . 5 ⊢ (𝑘 = 1 → (𝑃‘(𝑘 + 1)) = (𝑃‘2)) |
27 | 22, 26 | neeq12d 3004 | . . . 4 ⊢ (𝑘 = 1 → ((𝑃‘𝑘) ≠ (𝑃‘(𝑘 + 1)) ↔ (𝑃‘1) ≠ (𝑃‘2))) |
28 | 17, 18, 21, 27 | ralpr 4633 | . . 3 ⊢ (∀𝑘 ∈ {0, 1} (𝑃‘𝑘) ≠ (𝑃‘(𝑘 + 1)) ↔ ((𝑃‘0) ≠ (𝑃‘1) ∧ (𝑃‘1) ≠ (𝑃‘2))) |
29 | 16, 28 | bitri 274 | . 2 ⊢ (∀𝑘 ∈ (0..^(♯‘𝐹))(𝑃‘𝑘) ≠ (𝑃‘(𝑘 + 1)) ↔ ((𝑃‘0) ≠ (𝑃‘1) ∧ (𝑃‘1) ≠ (𝑃‘2))) |
30 | 14, 29 | sylibr 233 | 1 ⊢ (𝜑 → ∀𝑘 ∈ (0..^(♯‘𝐹))(𝑃‘𝑘) ≠ (𝑃‘(𝑘 + 1))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ≠ wne 2942 ∀wral 3063 {cpr 4560 ‘cfv 6418 (class class class)co 7255 0cc0 10802 1c1 10803 + caddc 10805 2c2 11958 ..^cfzo 13311 ♯chash 13972 〈“cs2 14482 〈“cs3 14483 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-card 9628 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-2 11966 df-n0 12164 df-z 12250 df-uz 12512 df-fz 13169 df-fzo 13312 df-hash 13973 df-word 14146 df-concat 14202 df-s1 14229 df-s2 14489 df-s3 14490 |
This theorem is referenced by: 2wlkd 28202 |
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