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Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > sseqfres | Structured version Visualization version GIF version |
Description: The first elements in the strong recursive sequence are the sequence initializer. (Contributed by Thierry Arnoux, 23-Apr-2019.) |
Ref | Expression |
---|---|
sseqval.1 | ⊢ (𝜑 → 𝑆 ∈ V) |
sseqval.2 | ⊢ (𝜑 → 𝑀 ∈ Word 𝑆) |
sseqval.3 | ⊢ 𝑊 = (Word 𝑆 ∩ (◡♯ “ (ℤ≥‘(♯‘𝑀)))) |
sseqval.4 | ⊢ (𝜑 → 𝐹:𝑊⟶𝑆) |
Ref | Expression |
---|---|
sseqfres | ⊢ (𝜑 → ((𝑀seqstr𝐹) ↾ (0..^(♯‘𝑀))) = 𝑀) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sseqval.1 | . . . . 5 ⊢ (𝜑 → 𝑆 ∈ V) | |
2 | 1 | adantr 466 | . . . 4 ⊢ ((𝜑 ∧ 𝑖 ∈ (0..^(♯‘𝑀))) → 𝑆 ∈ V) |
3 | sseqval.2 | . . . . 5 ⊢ (𝜑 → 𝑀 ∈ Word 𝑆) | |
4 | 3 | adantr 466 | . . . 4 ⊢ ((𝜑 ∧ 𝑖 ∈ (0..^(♯‘𝑀))) → 𝑀 ∈ Word 𝑆) |
5 | sseqval.3 | . . . 4 ⊢ 𝑊 = (Word 𝑆 ∩ (◡♯ “ (ℤ≥‘(♯‘𝑀)))) | |
6 | sseqval.4 | . . . . 5 ⊢ (𝜑 → 𝐹:𝑊⟶𝑆) | |
7 | 6 | adantr 466 | . . . 4 ⊢ ((𝜑 ∧ 𝑖 ∈ (0..^(♯‘𝑀))) → 𝐹:𝑊⟶𝑆) |
8 | simpr 471 | . . . 4 ⊢ ((𝜑 ∧ 𝑖 ∈ (0..^(♯‘𝑀))) → 𝑖 ∈ (0..^(♯‘𝑀))) | |
9 | 2, 4, 5, 7, 8 | sseqfv1 30791 | . . 3 ⊢ ((𝜑 ∧ 𝑖 ∈ (0..^(♯‘𝑀))) → ((𝑀seqstr𝐹)‘𝑖) = (𝑀‘𝑖)) |
10 | 9 | ralrimiva 3115 | . 2 ⊢ (𝜑 → ∀𝑖 ∈ (0..^(♯‘𝑀))((𝑀seqstr𝐹)‘𝑖) = (𝑀‘𝑖)) |
11 | 1, 3, 5, 6 | sseqfn 30792 | . . 3 ⊢ (𝜑 → (𝑀seqstr𝐹) Fn ℕ0) |
12 | wrdfn 13515 | . . . 4 ⊢ (𝑀 ∈ Word 𝑆 → 𝑀 Fn (0..^(♯‘𝑀))) | |
13 | 3, 12 | syl 17 | . . 3 ⊢ (𝜑 → 𝑀 Fn (0..^(♯‘𝑀))) |
14 | fzo0ssnn0 12757 | . . . 4 ⊢ (0..^(♯‘𝑀)) ⊆ ℕ0 | |
15 | 14 | a1i 11 | . . 3 ⊢ (𝜑 → (0..^(♯‘𝑀)) ⊆ ℕ0) |
16 | fvreseq1 6463 | . . 3 ⊢ ((((𝑀seqstr𝐹) Fn ℕ0 ∧ 𝑀 Fn (0..^(♯‘𝑀))) ∧ (0..^(♯‘𝑀)) ⊆ ℕ0) → (((𝑀seqstr𝐹) ↾ (0..^(♯‘𝑀))) = 𝑀 ↔ ∀𝑖 ∈ (0..^(♯‘𝑀))((𝑀seqstr𝐹)‘𝑖) = (𝑀‘𝑖))) | |
17 | 11, 13, 15, 16 | syl21anc 1475 | . 2 ⊢ (𝜑 → (((𝑀seqstr𝐹) ↾ (0..^(♯‘𝑀))) = 𝑀 ↔ ∀𝑖 ∈ (0..^(♯‘𝑀))((𝑀seqstr𝐹)‘𝑖) = (𝑀‘𝑖))) |
18 | 10, 17 | mpbird 247 | 1 ⊢ (𝜑 → ((𝑀seqstr𝐹) ↾ (0..^(♯‘𝑀))) = 𝑀) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 196 ∧ wa 382 = wceq 1631 ∈ wcel 2145 ∀wral 3061 Vcvv 3351 ∩ cin 3722 ⊆ wss 3723 ◡ccnv 5249 ↾ cres 5252 “ cima 5253 Fn wfn 6025 ⟶wf 6026 ‘cfv 6030 (class class class)co 6796 0cc0 10142 ℕ0cn0 11499 ℤ≥cuz 11893 ..^cfzo 12673 ♯chash 13321 Word cword 13487 seqstrcsseq 30785 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1870 ax-4 1885 ax-5 1991 ax-6 2057 ax-7 2093 ax-8 2147 ax-9 2154 ax-10 2174 ax-11 2190 ax-12 2203 ax-13 2408 ax-ext 2751 ax-rep 4905 ax-sep 4916 ax-nul 4924 ax-pow 4975 ax-pr 5035 ax-un 7100 ax-inf2 8706 ax-cnex 10198 ax-resscn 10199 ax-1cn 10200 ax-icn 10201 ax-addcl 10202 ax-addrcl 10203 ax-mulcl 10204 ax-mulrcl 10205 ax-mulcom 10206 ax-addass 10207 ax-mulass 10208 ax-distr 10209 ax-i2m1 10210 ax-1ne0 10211 ax-1rid 10212 ax-rnegex 10213 ax-rrecex 10214 ax-cnre 10215 ax-pre-lttri 10216 ax-pre-lttrn 10217 ax-pre-ltadd 10218 ax-pre-mulgt0 10219 |
This theorem depends on definitions: df-bi 197 df-an 383 df-or 837 df-3or 1072 df-3an 1073 df-tru 1634 df-ex 1853 df-nf 1858 df-sb 2050 df-eu 2622 df-mo 2623 df-clab 2758 df-cleq 2764 df-clel 2767 df-nfc 2902 df-ne 2944 df-nel 3047 df-ral 3066 df-rex 3067 df-reu 3068 df-rab 3070 df-v 3353 df-sbc 3588 df-csb 3683 df-dif 3726 df-un 3728 df-in 3730 df-ss 3737 df-pss 3739 df-nul 4064 df-if 4227 df-pw 4300 df-sn 4318 df-pr 4320 df-tp 4322 df-op 4324 df-uni 4576 df-int 4613 df-iun 4657 df-br 4788 df-opab 4848 df-mpt 4865 df-tr 4888 df-id 5158 df-eprel 5163 df-po 5171 df-so 5172 df-fr 5209 df-we 5211 df-xp 5256 df-rel 5257 df-cnv 5258 df-co 5259 df-dm 5260 df-rn 5261 df-res 5262 df-ima 5263 df-pred 5822 df-ord 5868 df-on 5869 df-lim 5870 df-suc 5871 df-iota 5993 df-fun 6032 df-fn 6033 df-f 6034 df-f1 6035 df-fo 6036 df-f1o 6037 df-fv 6038 df-riota 6757 df-ov 6799 df-oprab 6800 df-mpt2 6801 df-om 7217 df-1st 7319 df-2nd 7320 df-wrecs 7563 df-recs 7625 df-rdg 7663 df-1o 7717 df-oadd 7721 df-er 7900 df-map 8015 df-pm 8016 df-en 8114 df-dom 8115 df-sdom 8116 df-fin 8117 df-card 8969 df-pnf 10282 df-mnf 10283 df-xr 10284 df-ltxr 10285 df-le 10286 df-sub 10474 df-neg 10475 df-nn 11227 df-n0 11500 df-z 11585 df-uz 11894 df-fz 12534 df-fzo 12674 df-seq 13009 df-hash 13322 df-word 13495 df-lsw 13496 df-s1 13498 df-sseq 30786 |
This theorem is referenced by: sseqp1 30797 |
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