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Mirrors > Home > MPE Home > Th. List > wlkelwrd | Structured version Visualization version GIF version |
Description: The components of a walk are words/functions over a zero based range of integers. (Contributed by Alexander van der Vekens, 23-Jun-2018.) (Revised by AV, 2-Jan-2021.) |
Ref | Expression |
---|---|
wlkcomp.v | β’ π = (VtxβπΊ) |
wlkcomp.i | β’ πΌ = (iEdgβπΊ) |
wlkcomp.1 | β’ πΉ = (1st βπ) |
wlkcomp.2 | β’ π = (2nd βπ) |
Ref | Expression |
---|---|
wlkelwrd | β’ (π β (WalksβπΊ) β (πΉ β Word dom πΌ β§ π:(0...(β―βπΉ))βΆπ)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wlkcomp.v | . . 3 β’ π = (VtxβπΊ) | |
2 | wlkcomp.i | . . 3 β’ πΌ = (iEdgβπΊ) | |
3 | wlkcomp.1 | . . 3 β’ πΉ = (1st βπ) | |
4 | wlkcomp.2 | . . 3 β’ π = (2nd βπ) | |
5 | 1, 2, 3, 4 | wlkcompim 29466 | . 2 β’ (π β (WalksβπΊ) β (πΉ β Word dom πΌ β§ π:(0...(β―βπΉ))βΆπ β§ βπ β (0..^(β―βπΉ))if-((πβπ) = (πβ(π + 1)), (πΌβ(πΉβπ)) = {(πβπ)}, {(πβπ), (πβ(π + 1))} β (πΌβ(πΉβπ))))) |
6 | 3simpa 1145 | . 2 β’ ((πΉ β Word dom πΌ β§ π:(0...(β―βπΉ))βΆπ β§ βπ β (0..^(β―βπΉ))if-((πβπ) = (πβ(π + 1)), (πΌβ(πΉβπ)) = {(πβπ)}, {(πβπ), (πβ(π + 1))} β (πΌβ(πΉβπ)))) β (πΉ β Word dom πΌ β§ π:(0...(β―βπΉ))βΆπ)) | |
7 | 5, 6 | syl 17 | 1 β’ (π β (WalksβπΊ) β (πΉ β Word dom πΌ β§ π:(0...(β―βπΉ))βΆπ)) |
Colors of variables: wff setvar class |
Syntax hints: β wi 4 β§ wa 394 if-wif 1060 β§ w3a 1084 = wceq 1533 β wcel 2098 βwral 3058 β wss 3949 {csn 4632 {cpr 4634 dom cdm 5682 βΆwf 6549 βcfv 6553 (class class class)co 7426 1st c1st 7997 2nd c2nd 7998 0cc0 11146 1c1 11147 + caddc 11149 ...cfz 13524 ..^cfzo 13667 β―chash 14329 Word cword 14504 Vtxcvtx 28829 iEdgciedg 28830 Walkscwlks 29430 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2699 ax-rep 5289 ax-sep 5303 ax-nul 5310 ax-pow 5369 ax-pr 5433 ax-un 7746 ax-cnex 11202 ax-resscn 11203 ax-1cn 11204 ax-icn 11205 ax-addcl 11206 ax-addrcl 11207 ax-mulcl 11208 ax-mulrcl 11209 ax-mulcom 11210 ax-addass 11211 ax-mulass 11212 ax-distr 11213 ax-i2m1 11214 ax-1ne0 11215 ax-1rid 11216 ax-rnegex 11217 ax-rrecex 11218 ax-cnre 11219 ax-pre-lttri 11220 ax-pre-lttrn 11221 ax-pre-ltadd 11222 ax-pre-mulgt0 11223 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-ifp 1061 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2529 df-eu 2558 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-reu 3375 df-rab 3431 df-v 3475 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4327 df-if 4533 df-pw 4608 df-sn 4633 df-pr 4635 df-op 4639 df-uni 4913 df-int 4954 df-iun 5002 df-br 5153 df-opab 5215 df-mpt 5236 df-tr 5270 df-id 5580 df-eprel 5586 df-po 5594 df-so 5595 df-fr 5637 df-we 5639 df-xp 5688 df-rel 5689 df-cnv 5690 df-co 5691 df-dm 5692 df-rn 5693 df-res 5694 df-ima 5695 df-pred 6310 df-ord 6377 df-on 6378 df-lim 6379 df-suc 6380 df-iota 6505 df-fun 6555 df-fn 6556 df-f 6557 df-f1 6558 df-fo 6559 df-f1o 6560 df-fv 6561 df-riota 7382 df-ov 7429 df-oprab 7430 df-mpo 7431 df-om 7877 df-1st 7999 df-2nd 8000 df-frecs 8293 df-wrecs 8324 df-recs 8398 df-rdg 8437 df-1o 8493 df-er 8731 df-map 8853 df-pm 8854 df-en 8971 df-dom 8972 df-sdom 8973 df-fin 8974 df-card 9970 df-pnf 11288 df-mnf 11289 df-xr 11290 df-ltxr 11291 df-le 11292 df-sub 11484 df-neg 11485 df-nn 12251 df-n0 12511 df-z 12597 df-uz 12861 df-fz 13525 df-fzo 13668 df-hash 14330 df-word 14505 df-wlks 29433 |
This theorem is referenced by: wlkeq 29468 uspgr2wlkeq 29480 wlknewwlksn 29718 |
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