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Mirrors > Home > MPE Home > Th. List > 2wlkdlem5 | Structured version Visualization version GIF version |
Description: Lemma 5 for 2wlkd 28301. (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 28292 | . . . 4 ⊢ (𝜑 → ((𝑃‘0) = 𝐴 ∧ (𝑃‘1) = 𝐵 ∧ (𝑃‘2) = 𝐶)) |
6 | simp1 1135 | . . . . . . 7 ⊢ (((𝑃‘0) = 𝐴 ∧ (𝑃‘1) = 𝐵 ∧ (𝑃‘2) = 𝐶) → (𝑃‘0) = 𝐴) | |
7 | simp2 1136 | . . . . . . 7 ⊢ (((𝑃‘0) = 𝐴 ∧ (𝑃‘1) = 𝐵 ∧ (𝑃‘2) = 𝐶) → (𝑃‘1) = 𝐵) | |
8 | 6, 7 | neeq12d 3005 | . . . . . 6 ⊢ (((𝑃‘0) = 𝐴 ∧ (𝑃‘1) = 𝐵 ∧ (𝑃‘2) = 𝐶) → ((𝑃‘0) ≠ (𝑃‘1) ↔ 𝐴 ≠ 𝐵)) |
9 | simp3 1137 | . . . . . . 7 ⊢ (((𝑃‘0) = 𝐴 ∧ (𝑃‘1) = 𝐵 ∧ (𝑃‘2) = 𝐶) → (𝑃‘2) = 𝐶) | |
10 | 7, 9 | neeq12d 3005 | . . . . . 6 ⊢ (((𝑃‘0) = 𝐴 ∧ (𝑃‘1) = 𝐵 ∧ (𝑃‘2) = 𝐶) → ((𝑃‘1) ≠ (𝑃‘2) ↔ 𝐵 ≠ 𝐶)) |
11 | 8, 10 | anbi12d 631 | . . . . 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 28291 | . . . 4 ⊢ (0..^(♯‘𝐹)) = {0, 1} |
16 | 15 | raleqi 3346 | . . 3 ⊢ (∀𝑘 ∈ (0..^(♯‘𝐹))(𝑃‘𝑘) ≠ (𝑃‘(𝑘 + 1)) ↔ ∀𝑘 ∈ {0, 1} (𝑃‘𝑘) ≠ (𝑃‘(𝑘 + 1))) |
17 | c0ex 10969 | . . . 4 ⊢ 0 ∈ V | |
18 | 1ex 10971 | . . . 4 ⊢ 1 ∈ V | |
19 | fveq2 6774 | . . . . 5 ⊢ (𝑘 = 0 → (𝑃‘𝑘) = (𝑃‘0)) | |
20 | fv0p1e1 12096 | . . . . 5 ⊢ (𝑘 = 0 → (𝑃‘(𝑘 + 1)) = (𝑃‘1)) | |
21 | 19, 20 | neeq12d 3005 | . . . 4 ⊢ (𝑘 = 0 → ((𝑃‘𝑘) ≠ (𝑃‘(𝑘 + 1)) ↔ (𝑃‘0) ≠ (𝑃‘1))) |
22 | fveq2 6774 | . . . . 5 ⊢ (𝑘 = 1 → (𝑃‘𝑘) = (𝑃‘1)) | |
23 | oveq1 7282 | . . . . . . 7 ⊢ (𝑘 = 1 → (𝑘 + 1) = (1 + 1)) | |
24 | 1p1e2 12098 | . . . . . . 7 ⊢ (1 + 1) = 2 | |
25 | 23, 24 | eqtrdi 2794 | . . . . . 6 ⊢ (𝑘 = 1 → (𝑘 + 1) = 2) |
26 | 25 | fveq2d 6778 | . . . . 5 ⊢ (𝑘 = 1 → (𝑃‘(𝑘 + 1)) = (𝑃‘2)) |
27 | 22, 26 | neeq12d 3005 | . . . 4 ⊢ (𝑘 = 1 → ((𝑃‘𝑘) ≠ (𝑃‘(𝑘 + 1)) ↔ (𝑃‘1) ≠ (𝑃‘2))) |
28 | 17, 18, 21, 27 | ralpr 4636 | . . 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 396 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 ≠ wne 2943 ∀wral 3064 {cpr 4563 ‘cfv 6433 (class class class)co 7275 0cc0 10871 1c1 10872 + caddc 10874 2c2 12028 ..^cfzo 13382 ♯chash 14044 〈“cs2 14554 〈“cs3 14555 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-nn 11974 df-2 12036 df-n0 12234 df-z 12320 df-uz 12583 df-fz 13240 df-fzo 13383 df-hash 14045 df-word 14218 df-concat 14274 df-s1 14301 df-s2 14561 df-s3 14562 |
This theorem is referenced by: 2wlkd 28301 |
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