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Mirrors > Home > ILE Home > Th. List > algrp1 | GIF version |
Description: The value of the algorithm iterator 𝑅 at (𝐾 + 1). (Contributed by Paul Chapman, 31-Mar-2011.) (Revised by Jim Kingdon, 12-Mar-2023.) |
Ref | Expression |
---|---|
algrf.1 | ⊢ 𝑍 = (ℤ≥‘𝑀) |
algrf.2 | ⊢ 𝑅 = seq𝑀((𝐹 ∘ 1st ), (𝑍 × {𝐴})) |
algrf.3 | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
algrf.4 | ⊢ (𝜑 → 𝐴 ∈ 𝑆) |
algrf.5 | ⊢ (𝜑 → 𝐹:𝑆⟶𝑆) |
Ref | Expression |
---|---|
algrp1 | ⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → (𝑅‘(𝐾 + 1)) = (𝐹‘(𝑅‘𝐾))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | algrf.2 | . . . 4 ⊢ 𝑅 = seq𝑀((𝐹 ∘ 1st ), (𝑍 × {𝐴})) | |
2 | 1 | fveq1i 5486 | . . 3 ⊢ (𝑅‘(𝐾 + 1)) = (seq𝑀((𝐹 ∘ 1st ), (𝑍 × {𝐴}))‘(𝐾 + 1)) |
3 | simpr 109 | . . . . 5 ⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → 𝐾 ∈ 𝑍) | |
4 | algrf.1 | . . . . 5 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
5 | 3, 4 | eleqtrdi 2258 | . . . 4 ⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → 𝐾 ∈ (ℤ≥‘𝑀)) |
6 | algrf.4 | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ 𝑆) | |
7 | 6 | adantr 274 | . . . . 5 ⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → 𝐴 ∈ 𝑆) |
8 | 4, 7 | ialgrlemconst 11971 | . . . 4 ⊢ (((𝜑 ∧ 𝐾 ∈ 𝑍) ∧ 𝑥 ∈ (ℤ≥‘𝑀)) → ((𝑍 × {𝐴})‘𝑥) ∈ 𝑆) |
9 | algrf.5 | . . . . . 6 ⊢ (𝜑 → 𝐹:𝑆⟶𝑆) | |
10 | 9 | adantr 274 | . . . . 5 ⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → 𝐹:𝑆⟶𝑆) |
11 | 10 | ialgrlem1st 11970 | . . . 4 ⊢ (((𝜑 ∧ 𝐾 ∈ 𝑍) ∧ (𝑥 ∈ 𝑆 ∧ 𝑦 ∈ 𝑆)) → (𝑥(𝐹 ∘ 1st )𝑦) ∈ 𝑆) |
12 | 5, 8, 11 | seq3p1 10393 | . . 3 ⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → (seq𝑀((𝐹 ∘ 1st ), (𝑍 × {𝐴}))‘(𝐾 + 1)) = ((seq𝑀((𝐹 ∘ 1st ), (𝑍 × {𝐴}))‘𝐾)(𝐹 ∘ 1st )((𝑍 × {𝐴})‘(𝐾 + 1)))) |
13 | 2, 12 | syl5eq 2210 | . 2 ⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → (𝑅‘(𝐾 + 1)) = ((seq𝑀((𝐹 ∘ 1st ), (𝑍 × {𝐴}))‘𝐾)(𝐹 ∘ 1st )((𝑍 × {𝐴})‘(𝐾 + 1)))) |
14 | algrf.3 | . . . . . 6 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
15 | 4, 1, 14, 6, 9 | algrf 11973 | . . . . 5 ⊢ (𝜑 → 𝑅:𝑍⟶𝑆) |
16 | 15 | ffvelrnda 5619 | . . . 4 ⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → (𝑅‘𝐾) ∈ 𝑆) |
17 | 4 | peano2uzs 9518 | . . . . . 6 ⊢ (𝐾 ∈ 𝑍 → (𝐾 + 1) ∈ 𝑍) |
18 | fvconst2g 5698 | . . . . . 6 ⊢ ((𝐴 ∈ 𝑆 ∧ (𝐾 + 1) ∈ 𝑍) → ((𝑍 × {𝐴})‘(𝐾 + 1)) = 𝐴) | |
19 | 6, 17, 18 | syl2an 287 | . . . . 5 ⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → ((𝑍 × {𝐴})‘(𝐾 + 1)) = 𝐴) |
20 | 19, 7 | eqeltrd 2242 | . . . 4 ⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → ((𝑍 × {𝐴})‘(𝐾 + 1)) ∈ 𝑆) |
21 | algrflemg 6194 | . . . 4 ⊢ (((𝑅‘𝐾) ∈ 𝑆 ∧ ((𝑍 × {𝐴})‘(𝐾 + 1)) ∈ 𝑆) → ((𝑅‘𝐾)(𝐹 ∘ 1st )((𝑍 × {𝐴})‘(𝐾 + 1))) = (𝐹‘(𝑅‘𝐾))) | |
22 | 16, 20, 21 | syl2anc 409 | . . 3 ⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → ((𝑅‘𝐾)(𝐹 ∘ 1st )((𝑍 × {𝐴})‘(𝐾 + 1))) = (𝐹‘(𝑅‘𝐾))) |
23 | 1 | fveq1i 5486 | . . . 4 ⊢ (𝑅‘𝐾) = (seq𝑀((𝐹 ∘ 1st ), (𝑍 × {𝐴}))‘𝐾) |
24 | 23 | oveq1i 5851 | . . 3 ⊢ ((𝑅‘𝐾)(𝐹 ∘ 1st )((𝑍 × {𝐴})‘(𝐾 + 1))) = ((seq𝑀((𝐹 ∘ 1st ), (𝑍 × {𝐴}))‘𝐾)(𝐹 ∘ 1st )((𝑍 × {𝐴})‘(𝐾 + 1))) |
25 | 22, 24 | eqtr3di 2213 | . 2 ⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → (𝐹‘(𝑅‘𝐾)) = ((seq𝑀((𝐹 ∘ 1st ), (𝑍 × {𝐴}))‘𝐾)(𝐹 ∘ 1st )((𝑍 × {𝐴})‘(𝐾 + 1)))) |
26 | 13, 25 | eqtr4d 2201 | 1 ⊢ ((𝜑 ∧ 𝐾 ∈ 𝑍) → (𝑅‘(𝐾 + 1)) = (𝐹‘(𝑅‘𝐾))) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 = wceq 1343 ∈ wcel 2136 {csn 3575 × cxp 4601 ∘ ccom 4607 ⟶wf 5183 ‘cfv 5187 (class class class)co 5841 1st c1st 6103 1c1 7750 + caddc 7752 ℤcz 9187 ℤ≥cuz 9462 seqcseq 10376 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-coll 4096 ax-sep 4099 ax-nul 4107 ax-pow 4152 ax-pr 4186 ax-un 4410 ax-setind 4513 ax-iinf 4564 ax-cnex 7840 ax-resscn 7841 ax-1cn 7842 ax-1re 7843 ax-icn 7844 ax-addcl 7845 ax-addrcl 7846 ax-mulcl 7847 ax-addcom 7849 ax-addass 7851 ax-distr 7853 ax-i2m1 7854 ax-0lt1 7855 ax-0id 7857 ax-rnegex 7858 ax-cnre 7860 ax-pre-ltirr 7861 ax-pre-ltwlin 7862 ax-pre-lttrn 7863 ax-pre-ltadd 7865 |
This theorem depends on definitions: df-bi 116 df-3or 969 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2296 df-ne 2336 df-nel 2431 df-ral 2448 df-rex 2449 df-reu 2450 df-rab 2452 df-v 2727 df-sbc 2951 df-csb 3045 df-dif 3117 df-un 3119 df-in 3121 df-ss 3128 df-nul 3409 df-pw 3560 df-sn 3581 df-pr 3582 df-op 3584 df-uni 3789 df-int 3824 df-iun 3867 df-br 3982 df-opab 4043 df-mpt 4044 df-tr 4080 df-id 4270 df-iord 4343 df-on 4345 df-ilim 4346 df-suc 4348 df-iom 4567 df-xp 4609 df-rel 4610 df-cnv 4611 df-co 4612 df-dm 4613 df-rn 4614 df-res 4615 df-ima 4616 df-iota 5152 df-fun 5189 df-fn 5190 df-f 5191 df-f1 5192 df-fo 5193 df-f1o 5194 df-fv 5195 df-riota 5797 df-ov 5844 df-oprab 5845 df-mpo 5846 df-1st 6105 df-2nd 6106 df-recs 6269 df-frec 6355 df-pnf 7931 df-mnf 7932 df-xr 7933 df-ltxr 7934 df-le 7935 df-sub 8067 df-neg 8068 df-inn 8854 df-n0 9111 df-z 9188 df-uz 9463 df-seqfrec 10377 |
This theorem is referenced by: alginv 11975 algcvg 11976 algcvga 11979 algfx 11980 |
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