Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > wwlktovf | Structured version Visualization version GIF version |
Description: Lemma 1 for wrd2f1tovbij 14527. (Contributed by Alexander van der Vekens, 27-Jul-2018.) |
Ref | Expression |
---|---|
wwlktovf1o.d | ⊢ 𝐷 = {𝑤 ∈ Word 𝑉 ∣ ((♯‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃 ∧ {(𝑤‘0), (𝑤‘1)} ∈ 𝑋)} |
wwlktovf1o.r | ⊢ 𝑅 = {𝑛 ∈ 𝑉 ∣ {𝑃, 𝑛} ∈ 𝑋} |
wwlktovf1o.f | ⊢ 𝐹 = (𝑡 ∈ 𝐷 ↦ (𝑡‘1)) |
Ref | Expression |
---|---|
wwlktovf | ⊢ 𝐹:𝐷⟶𝑅 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wwlktovf1o.f | . 2 ⊢ 𝐹 = (𝑡 ∈ 𝐷 ↦ (𝑡‘1)) | |
2 | wrdf 14074 | . . . . 5 ⊢ (𝑡 ∈ Word 𝑉 → 𝑡:(0..^(♯‘𝑡))⟶𝑉) | |
3 | oveq2 7221 | . . . . . . . 8 ⊢ ((♯‘𝑡) = 2 → (0..^(♯‘𝑡)) = (0..^2)) | |
4 | 3 | feq2d 6531 | . . . . . . 7 ⊢ ((♯‘𝑡) = 2 → (𝑡:(0..^(♯‘𝑡))⟶𝑉 ↔ 𝑡:(0..^2)⟶𝑉)) |
5 | 1nn0 12106 | . . . . . . . . 9 ⊢ 1 ∈ ℕ0 | |
6 | 2nn 11903 | . . . . . . . . 9 ⊢ 2 ∈ ℕ | |
7 | 1lt2 12001 | . . . . . . . . 9 ⊢ 1 < 2 | |
8 | elfzo0 13283 | . . . . . . . . 9 ⊢ (1 ∈ (0..^2) ↔ (1 ∈ ℕ0 ∧ 2 ∈ ℕ ∧ 1 < 2)) | |
9 | 5, 6, 7, 8 | mpbir3an 1343 | . . . . . . . 8 ⊢ 1 ∈ (0..^2) |
10 | ffvelrn 6902 | . . . . . . . 8 ⊢ ((𝑡:(0..^2)⟶𝑉 ∧ 1 ∈ (0..^2)) → (𝑡‘1) ∈ 𝑉) | |
11 | 9, 10 | mpan2 691 | . . . . . . 7 ⊢ (𝑡:(0..^2)⟶𝑉 → (𝑡‘1) ∈ 𝑉) |
12 | 4, 11 | syl6bi 256 | . . . . . 6 ⊢ ((♯‘𝑡) = 2 → (𝑡:(0..^(♯‘𝑡))⟶𝑉 → (𝑡‘1) ∈ 𝑉)) |
13 | 12 | 3ad2ant1 1135 | . . . . 5 ⊢ (((♯‘𝑡) = 2 ∧ (𝑡‘0) = 𝑃 ∧ {(𝑡‘0), (𝑡‘1)} ∈ 𝑋) → (𝑡:(0..^(♯‘𝑡))⟶𝑉 → (𝑡‘1) ∈ 𝑉)) |
14 | 2, 13 | mpan9 510 | . . . 4 ⊢ ((𝑡 ∈ Word 𝑉 ∧ ((♯‘𝑡) = 2 ∧ (𝑡‘0) = 𝑃 ∧ {(𝑡‘0), (𝑡‘1)} ∈ 𝑋)) → (𝑡‘1) ∈ 𝑉) |
15 | preq1 4649 | . . . . . . . 8 ⊢ ((𝑡‘0) = 𝑃 → {(𝑡‘0), (𝑡‘1)} = {𝑃, (𝑡‘1)}) | |
16 | 15 | eleq1d 2822 | . . . . . . 7 ⊢ ((𝑡‘0) = 𝑃 → ({(𝑡‘0), (𝑡‘1)} ∈ 𝑋 ↔ {𝑃, (𝑡‘1)} ∈ 𝑋)) |
17 | 16 | biimpa 480 | . . . . . 6 ⊢ (((𝑡‘0) = 𝑃 ∧ {(𝑡‘0), (𝑡‘1)} ∈ 𝑋) → {𝑃, (𝑡‘1)} ∈ 𝑋) |
18 | 17 | 3adant1 1132 | . . . . 5 ⊢ (((♯‘𝑡) = 2 ∧ (𝑡‘0) = 𝑃 ∧ {(𝑡‘0), (𝑡‘1)} ∈ 𝑋) → {𝑃, (𝑡‘1)} ∈ 𝑋) |
19 | 18 | adantl 485 | . . . 4 ⊢ ((𝑡 ∈ Word 𝑉 ∧ ((♯‘𝑡) = 2 ∧ (𝑡‘0) = 𝑃 ∧ {(𝑡‘0), (𝑡‘1)} ∈ 𝑋)) → {𝑃, (𝑡‘1)} ∈ 𝑋) |
20 | 14, 19 | jca 515 | . . 3 ⊢ ((𝑡 ∈ Word 𝑉 ∧ ((♯‘𝑡) = 2 ∧ (𝑡‘0) = 𝑃 ∧ {(𝑡‘0), (𝑡‘1)} ∈ 𝑋)) → ((𝑡‘1) ∈ 𝑉 ∧ {𝑃, (𝑡‘1)} ∈ 𝑋)) |
21 | fveqeq2 6726 | . . . . 5 ⊢ (𝑤 = 𝑡 → ((♯‘𝑤) = 2 ↔ (♯‘𝑡) = 2)) | |
22 | fveq1 6716 | . . . . . 6 ⊢ (𝑤 = 𝑡 → (𝑤‘0) = (𝑡‘0)) | |
23 | 22 | eqeq1d 2739 | . . . . 5 ⊢ (𝑤 = 𝑡 → ((𝑤‘0) = 𝑃 ↔ (𝑡‘0) = 𝑃)) |
24 | fveq1 6716 | . . . . . . 7 ⊢ (𝑤 = 𝑡 → (𝑤‘1) = (𝑡‘1)) | |
25 | 22, 24 | preq12d 4657 | . . . . . 6 ⊢ (𝑤 = 𝑡 → {(𝑤‘0), (𝑤‘1)} = {(𝑡‘0), (𝑡‘1)}) |
26 | 25 | eleq1d 2822 | . . . . 5 ⊢ (𝑤 = 𝑡 → ({(𝑤‘0), (𝑤‘1)} ∈ 𝑋 ↔ {(𝑡‘0), (𝑡‘1)} ∈ 𝑋)) |
27 | 21, 23, 26 | 3anbi123d 1438 | . . . 4 ⊢ (𝑤 = 𝑡 → (((♯‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃 ∧ {(𝑤‘0), (𝑤‘1)} ∈ 𝑋) ↔ ((♯‘𝑡) = 2 ∧ (𝑡‘0) = 𝑃 ∧ {(𝑡‘0), (𝑡‘1)} ∈ 𝑋))) |
28 | wwlktovf1o.d | . . . 4 ⊢ 𝐷 = {𝑤 ∈ Word 𝑉 ∣ ((♯‘𝑤) = 2 ∧ (𝑤‘0) = 𝑃 ∧ {(𝑤‘0), (𝑤‘1)} ∈ 𝑋)} | |
29 | 27, 28 | elrab2 3605 | . . 3 ⊢ (𝑡 ∈ 𝐷 ↔ (𝑡 ∈ Word 𝑉 ∧ ((♯‘𝑡) = 2 ∧ (𝑡‘0) = 𝑃 ∧ {(𝑡‘0), (𝑡‘1)} ∈ 𝑋))) |
30 | preq2 4650 | . . . . 5 ⊢ (𝑛 = (𝑡‘1) → {𝑃, 𝑛} = {𝑃, (𝑡‘1)}) | |
31 | 30 | eleq1d 2822 | . . . 4 ⊢ (𝑛 = (𝑡‘1) → ({𝑃, 𝑛} ∈ 𝑋 ↔ {𝑃, (𝑡‘1)} ∈ 𝑋)) |
32 | wwlktovf1o.r | . . . 4 ⊢ 𝑅 = {𝑛 ∈ 𝑉 ∣ {𝑃, 𝑛} ∈ 𝑋} | |
33 | 31, 32 | elrab2 3605 | . . 3 ⊢ ((𝑡‘1) ∈ 𝑅 ↔ ((𝑡‘1) ∈ 𝑉 ∧ {𝑃, (𝑡‘1)} ∈ 𝑋)) |
34 | 20, 29, 33 | 3imtr4i 295 | . 2 ⊢ (𝑡 ∈ 𝐷 → (𝑡‘1) ∈ 𝑅) |
35 | 1, 34 | fmpti 6929 | 1 ⊢ 𝐹:𝐷⟶𝑅 |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 ∧ w3a 1089 = wceq 1543 ∈ wcel 2110 {crab 3065 {cpr 4543 class class class wbr 5053 ↦ cmpt 5135 ⟶wf 6376 ‘cfv 6380 (class class class)co 7213 0cc0 10729 1c1 10730 < clt 10867 ℕcn 11830 2c2 11885 ℕ0cn0 12090 ..^cfzo 13238 ♯chash 13896 Word cword 14069 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-rep 5179 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 ax-cnex 10785 ax-resscn 10786 ax-1cn 10787 ax-icn 10788 ax-addcl 10789 ax-addrcl 10790 ax-mulcl 10791 ax-mulrcl 10792 ax-mulcom 10793 ax-addass 10794 ax-mulass 10795 ax-distr 10796 ax-i2m1 10797 ax-1ne0 10798 ax-1rid 10799 ax-rnegex 10800 ax-rrecex 10801 ax-cnre 10802 ax-pre-lttri 10803 ax-pre-lttrn 10804 ax-pre-ltadd 10805 ax-pre-mulgt0 10806 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3066 df-rex 3067 df-reu 3068 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-pss 3885 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-tp 4546 df-op 4548 df-uni 4820 df-int 4860 df-iun 4906 df-br 5054 df-opab 5116 df-mpt 5136 df-tr 5162 df-id 5455 df-eprel 5460 df-po 5468 df-so 5469 df-fr 5509 df-we 5511 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-pred 6160 df-ord 6216 df-on 6217 df-lim 6218 df-suc 6219 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-riota 7170 df-ov 7216 df-oprab 7217 df-mpo 7218 df-om 7645 df-1st 7761 df-2nd 7762 df-wrecs 8047 df-recs 8108 df-rdg 8146 df-1o 8202 df-er 8391 df-en 8627 df-dom 8628 df-sdom 8629 df-fin 8630 df-card 9555 df-pnf 10869 df-mnf 10870 df-xr 10871 df-ltxr 10872 df-le 10873 df-sub 11064 df-neg 11065 df-nn 11831 df-2 11893 df-n0 12091 df-z 12177 df-uz 12439 df-fz 13096 df-fzo 13239 df-hash 13897 df-word 14070 |
This theorem is referenced by: wwlktovf1 14524 wwlktovfo 14525 |
Copyright terms: Public domain | W3C validator |