Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > wlkiswwlks2lem5 | Structured version Visualization version GIF version |
Description: Lemma 5 for wlkiswwlks2 28141. (Contributed by Alexander van der Vekens, 21-Jul-2018.) (Revised by AV, 10-Apr-2021.) |
Ref | Expression |
---|---|
wlkiswwlks2lem.f | ⊢ 𝐹 = (𝑥 ∈ (0..^((♯‘𝑃) − 1)) ↦ (◡𝐸‘{(𝑃‘𝑥), (𝑃‘(𝑥 + 1))})) |
wlkiswwlks2lem.e | ⊢ 𝐸 = (iEdg‘𝐺) |
Ref | Expression |
---|---|
wlkiswwlks2lem5 | ⊢ ((𝐺 ∈ USPGraph ∧ 𝑃 ∈ Word 𝑉 ∧ 1 ≤ (♯‘𝑃)) → (∀𝑖 ∈ (0..^((♯‘𝑃) − 1)){(𝑃‘𝑖), (𝑃‘(𝑖 + 1))} ∈ ran 𝐸 → 𝐹 ∈ Word dom 𝐸)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wlkiswwlks2lem.e | . . . . . . . . 9 ⊢ 𝐸 = (iEdg‘𝐺) | |
2 | 1 | uspgrf1oedg 27446 | . . . . . . . 8 ⊢ (𝐺 ∈ USPGraph → 𝐸:dom 𝐸–1-1-onto→(Edg‘𝐺)) |
3 | 1 | rneqi 5835 | . . . . . . . . . . 11 ⊢ ran 𝐸 = ran (iEdg‘𝐺) |
4 | edgval 27322 | . . . . . . . . . . 11 ⊢ (Edg‘𝐺) = ran (iEdg‘𝐺) | |
5 | 3, 4 | eqtr4i 2769 | . . . . . . . . . 10 ⊢ ran 𝐸 = (Edg‘𝐺) |
6 | 5 | a1i 11 | . . . . . . . . 9 ⊢ (𝐺 ∈ USPGraph → ran 𝐸 = (Edg‘𝐺)) |
7 | 6 | f1oeq3d 6697 | . . . . . . . 8 ⊢ (𝐺 ∈ USPGraph → (𝐸:dom 𝐸–1-1-onto→ran 𝐸 ↔ 𝐸:dom 𝐸–1-1-onto→(Edg‘𝐺))) |
8 | 2, 7 | mpbird 256 | . . . . . . 7 ⊢ (𝐺 ∈ USPGraph → 𝐸:dom 𝐸–1-1-onto→ran 𝐸) |
9 | 8 | 3ad2ant1 1131 | . . . . . 6 ⊢ ((𝐺 ∈ USPGraph ∧ 𝑃 ∈ Word 𝑉 ∧ 1 ≤ (♯‘𝑃)) → 𝐸:dom 𝐸–1-1-onto→ran 𝐸) |
10 | 9 | ad2antrr 722 | . . . . 5 ⊢ ((((𝐺 ∈ USPGraph ∧ 𝑃 ∈ Word 𝑉 ∧ 1 ≤ (♯‘𝑃)) ∧ ∀𝑖 ∈ (0..^((♯‘𝑃) − 1)){(𝑃‘𝑖), (𝑃‘(𝑖 + 1))} ∈ ran 𝐸) ∧ 𝑥 ∈ (0..^((♯‘𝑃) − 1))) → 𝐸:dom 𝐸–1-1-onto→ran 𝐸) |
11 | simpr 484 | . . . . . . . 8 ⊢ (((𝐺 ∈ USPGraph ∧ 𝑃 ∈ Word 𝑉 ∧ 1 ≤ (♯‘𝑃)) ∧ 𝑥 ∈ (0..^((♯‘𝑃) − 1))) → 𝑥 ∈ (0..^((♯‘𝑃) − 1))) | |
12 | fveq2 6756 | . . . . . . . . . . 11 ⊢ (𝑖 = 𝑥 → (𝑃‘𝑖) = (𝑃‘𝑥)) | |
13 | fvoveq1 7278 | . . . . . . . . . . 11 ⊢ (𝑖 = 𝑥 → (𝑃‘(𝑖 + 1)) = (𝑃‘(𝑥 + 1))) | |
14 | 12, 13 | preq12d 4674 | . . . . . . . . . 10 ⊢ (𝑖 = 𝑥 → {(𝑃‘𝑖), (𝑃‘(𝑖 + 1))} = {(𝑃‘𝑥), (𝑃‘(𝑥 + 1))}) |
15 | 14 | eleq1d 2823 | . . . . . . . . 9 ⊢ (𝑖 = 𝑥 → ({(𝑃‘𝑖), (𝑃‘(𝑖 + 1))} ∈ ran 𝐸 ↔ {(𝑃‘𝑥), (𝑃‘(𝑥 + 1))} ∈ ran 𝐸)) |
16 | 15 | adantl 481 | . . . . . . . 8 ⊢ ((((𝐺 ∈ USPGraph ∧ 𝑃 ∈ Word 𝑉 ∧ 1 ≤ (♯‘𝑃)) ∧ 𝑥 ∈ (0..^((♯‘𝑃) − 1))) ∧ 𝑖 = 𝑥) → ({(𝑃‘𝑖), (𝑃‘(𝑖 + 1))} ∈ ran 𝐸 ↔ {(𝑃‘𝑥), (𝑃‘(𝑥 + 1))} ∈ ran 𝐸)) |
17 | 11, 16 | rspcdv 3543 | . . . . . . 7 ⊢ (((𝐺 ∈ USPGraph ∧ 𝑃 ∈ Word 𝑉 ∧ 1 ≤ (♯‘𝑃)) ∧ 𝑥 ∈ (0..^((♯‘𝑃) − 1))) → (∀𝑖 ∈ (0..^((♯‘𝑃) − 1)){(𝑃‘𝑖), (𝑃‘(𝑖 + 1))} ∈ ran 𝐸 → {(𝑃‘𝑥), (𝑃‘(𝑥 + 1))} ∈ ran 𝐸)) |
18 | 17 | impancom 451 | . . . . . 6 ⊢ (((𝐺 ∈ USPGraph ∧ 𝑃 ∈ Word 𝑉 ∧ 1 ≤ (♯‘𝑃)) ∧ ∀𝑖 ∈ (0..^((♯‘𝑃) − 1)){(𝑃‘𝑖), (𝑃‘(𝑖 + 1))} ∈ ran 𝐸) → (𝑥 ∈ (0..^((♯‘𝑃) − 1)) → {(𝑃‘𝑥), (𝑃‘(𝑥 + 1))} ∈ ran 𝐸)) |
19 | 18 | imp 406 | . . . . 5 ⊢ ((((𝐺 ∈ USPGraph ∧ 𝑃 ∈ Word 𝑉 ∧ 1 ≤ (♯‘𝑃)) ∧ ∀𝑖 ∈ (0..^((♯‘𝑃) − 1)){(𝑃‘𝑖), (𝑃‘(𝑖 + 1))} ∈ ran 𝐸) ∧ 𝑥 ∈ (0..^((♯‘𝑃) − 1))) → {(𝑃‘𝑥), (𝑃‘(𝑥 + 1))} ∈ ran 𝐸) |
20 | f1ocnvdm 7137 | . . . . 5 ⊢ ((𝐸:dom 𝐸–1-1-onto→ran 𝐸 ∧ {(𝑃‘𝑥), (𝑃‘(𝑥 + 1))} ∈ ran 𝐸) → (◡𝐸‘{(𝑃‘𝑥), (𝑃‘(𝑥 + 1))}) ∈ dom 𝐸) | |
21 | 10, 19, 20 | syl2anc 583 | . . . 4 ⊢ ((((𝐺 ∈ USPGraph ∧ 𝑃 ∈ Word 𝑉 ∧ 1 ≤ (♯‘𝑃)) ∧ ∀𝑖 ∈ (0..^((♯‘𝑃) − 1)){(𝑃‘𝑖), (𝑃‘(𝑖 + 1))} ∈ ran 𝐸) ∧ 𝑥 ∈ (0..^((♯‘𝑃) − 1))) → (◡𝐸‘{(𝑃‘𝑥), (𝑃‘(𝑥 + 1))}) ∈ dom 𝐸) |
22 | wlkiswwlks2lem.f | . . . 4 ⊢ 𝐹 = (𝑥 ∈ (0..^((♯‘𝑃) − 1)) ↦ (◡𝐸‘{(𝑃‘𝑥), (𝑃‘(𝑥 + 1))})) | |
23 | 21, 22 | fmptd 6970 | . . 3 ⊢ (((𝐺 ∈ USPGraph ∧ 𝑃 ∈ Word 𝑉 ∧ 1 ≤ (♯‘𝑃)) ∧ ∀𝑖 ∈ (0..^((♯‘𝑃) − 1)){(𝑃‘𝑖), (𝑃‘(𝑖 + 1))} ∈ ran 𝐸) → 𝐹:(0..^((♯‘𝑃) − 1))⟶dom 𝐸) |
24 | iswrdi 14149 | . . 3 ⊢ (𝐹:(0..^((♯‘𝑃) − 1))⟶dom 𝐸 → 𝐹 ∈ Word dom 𝐸) | |
25 | 23, 24 | syl 17 | . 2 ⊢ (((𝐺 ∈ USPGraph ∧ 𝑃 ∈ Word 𝑉 ∧ 1 ≤ (♯‘𝑃)) ∧ ∀𝑖 ∈ (0..^((♯‘𝑃) − 1)){(𝑃‘𝑖), (𝑃‘(𝑖 + 1))} ∈ ran 𝐸) → 𝐹 ∈ Word dom 𝐸) |
26 | 25 | ex 412 | 1 ⊢ ((𝐺 ∈ USPGraph ∧ 𝑃 ∈ Word 𝑉 ∧ 1 ≤ (♯‘𝑃)) → (∀𝑖 ∈ (0..^((♯‘𝑃) − 1)){(𝑃‘𝑖), (𝑃‘(𝑖 + 1))} ∈ ran 𝐸 → 𝐹 ∈ Word dom 𝐸)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ∀wral 3063 {cpr 4560 class class class wbr 5070 ↦ cmpt 5153 ◡ccnv 5579 dom cdm 5580 ran crn 5581 ⟶wf 6414 –1-1-onto→wf1o 6417 ‘cfv 6418 (class class class)co 7255 0cc0 10802 1c1 10803 + caddc 10805 ≤ cle 10941 − cmin 11135 ..^cfzo 13311 ♯chash 13972 Word cword 14145 iEdgciedg 27270 Edgcedg 27320 USPGraphcuspgr 27421 |
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-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-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 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-n0 12164 df-z 12250 df-uz 12512 df-fz 13169 df-fzo 13312 df-word 14146 df-edg 27321 df-uspgr 27423 |
This theorem is referenced by: wlkiswwlks2lem6 28140 |
Copyright terms: Public domain | W3C validator |