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Mirrors > Home > MPE Home > Th. List > wrdf | Structured version Visualization version GIF version |
Description: A word is a zero-based sequence with a recoverable upper limit. (Contributed by Stefan O'Rear, 15-Aug-2015.) |
Ref | Expression |
---|---|
wrdf | ⊢ (𝑊 ∈ Word 𝑆 → 𝑊:(0..^(♯‘𝑊))⟶𝑆) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | iswrd 13864 | . 2 ⊢ (𝑊 ∈ Word 𝑆 ↔ ∃𝑙 ∈ ℕ0 𝑊:(0..^𝑙)⟶𝑆) | |
2 | simpr 487 | . . . 4 ⊢ ((𝑙 ∈ ℕ0 ∧ 𝑊:(0..^𝑙)⟶𝑆) → 𝑊:(0..^𝑙)⟶𝑆) | |
3 | fnfzo0hash 13809 | . . . . . 6 ⊢ ((𝑙 ∈ ℕ0 ∧ 𝑊:(0..^𝑙)⟶𝑆) → (♯‘𝑊) = 𝑙) | |
4 | 3 | oveq2d 7172 | . . . . 5 ⊢ ((𝑙 ∈ ℕ0 ∧ 𝑊:(0..^𝑙)⟶𝑆) → (0..^(♯‘𝑊)) = (0..^𝑙)) |
5 | 4 | feq2d 6500 | . . . 4 ⊢ ((𝑙 ∈ ℕ0 ∧ 𝑊:(0..^𝑙)⟶𝑆) → (𝑊:(0..^(♯‘𝑊))⟶𝑆 ↔ 𝑊:(0..^𝑙)⟶𝑆)) |
6 | 2, 5 | mpbird 259 | . . 3 ⊢ ((𝑙 ∈ ℕ0 ∧ 𝑊:(0..^𝑙)⟶𝑆) → 𝑊:(0..^(♯‘𝑊))⟶𝑆) |
7 | 6 | rexlimiva 3281 | . 2 ⊢ (∃𝑙 ∈ ℕ0 𝑊:(0..^𝑙)⟶𝑆 → 𝑊:(0..^(♯‘𝑊))⟶𝑆) |
8 | 1, 7 | sylbi 219 | 1 ⊢ (𝑊 ∈ Word 𝑆 → 𝑊:(0..^(♯‘𝑊))⟶𝑆) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2114 ∃wrex 3139 ⟶wf 6351 ‘cfv 6355 (class class class)co 7156 0cc0 10537 ℕ0cn0 11898 ..^cfzo 13034 ♯chash 13691 Word cword 13862 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-rep 5190 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-pre-mulgt0 10614 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-int 4877 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7581 df-1st 7689 df-2nd 7690 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-1o 8102 df-er 8289 df-en 8510 df-dom 8511 df-sdom 8512 df-fin 8513 df-card 9368 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-nn 11639 df-n0 11899 df-z 11983 df-uz 12245 df-fz 12894 df-fzo 13035 df-hash 13692 df-word 13863 |
This theorem is referenced by: iswrdb 13868 wrddm 13869 wrdsymbcl 13876 wrdfn 13877 wrdffz 13885 0wrd0 13890 wrdsymb 13893 wrdnval 13896 wrdred1 13912 wrdred1hash 13913 ccatcl 13926 ccatalpha 13947 s1dm 13962 swrdcl 14007 swrdf 14012 swrdwrdsymb 14024 pfxres 14041 cats1un 14083 revcl 14123 revlen 14124 revrev 14129 repsdf2 14140 cshwf 14162 cshinj 14173 wrdco 14193 lenco 14194 revco 14196 ccatco 14197 lswco 14201 s2dm 14252 wwlktovf 14320 ofccat 14329 gsumwsubmcl 18001 gsumsgrpccat 18004 gsumccatOLD 18005 gsumwmhm 18010 frmdss2 18028 symgtrinv 18600 psgnunilem5 18622 psgnunilem2 18623 psgnunilem3 18624 efginvrel1 18854 efgsf 18855 efgsrel 18860 efgs1b 18862 efgredlemf 18867 efgredlemd 18870 efgredlemc 18871 efgredlem 18873 frgpup3lem 18903 pgpfaclem1 19203 ablfaclem2 19208 ablfaclem3 19209 ablfac2 19211 dchrptlem1 25840 dchrptlem2 25841 trgcgrg 26301 tgcgr4 26317 wrdupgr 26870 wrdumgr 26882 vdegp1ai 27318 vdegp1bi 27319 wlkres 27452 wlkp1 27463 wlkdlem1 27464 trlf1 27480 trlreslem 27481 upgrwlkdvdelem 27517 pthdlem1 27547 pthdlem2lem 27548 uspgrn2crct 27586 wlkiswwlks2lem3 27649 wlkiswwlksupgr2 27655 clwlkclwwlklem2a 27776 clwlkclwwlklem2 27778 1wlkdlem1 27916 wlk2v2e 27936 eucrctshift 28022 konigsbergssiedgw 28029 wrdfd 30612 wrdres 30613 pfxf1 30618 s3f1 30623 ccatf1 30625 swrdrn3 30629 cycpmcl 30758 tocyc01 30760 cycpmco2rn 30767 cycpmrn 30785 tocyccntz 30786 cycpmconjslem2 30797 sseqf 31650 fiblem 31656 ofcccat 31813 signstcl 31835 signstf 31836 signstfvn 31839 signsvtn0 31840 signstres 31845 signsvtp 31853 signsvtn 31854 signsvfpn 31855 signsvfnn 31856 signshf 31858 revwlk 32371 mvrsfpw 32753 frlmfzowrdb 39192 amgm2d 40600 amgm3d 40601 amgm4d 40602 lswn0 43653 amgmw2d 44954 |
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