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Mirrors > Home > MPE Home > Th. List > sadcf | Structured version Visualization version GIF version |
Description: The carry sequence is a sequence of elements of 2o encoding a "sequence of wffs". (Contributed by Mario Carneiro, 5-Sep-2016.) |
Ref | Expression |
---|---|
sadval.a | ⊢ (𝜑 → 𝐴 ⊆ ℕ0) |
sadval.b | ⊢ (𝜑 → 𝐵 ⊆ ℕ0) |
sadval.c | ⊢ 𝐶 = seq0((𝑐 ∈ 2o, 𝑚 ∈ ℕ0 ↦ if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅)), (𝑛 ∈ ℕ0 ↦ if(𝑛 = 0, ∅, (𝑛 − 1)))) |
Ref | Expression |
---|---|
sadcf | ⊢ (𝜑 → 𝐶:ℕ0⟶2o) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0nn0 12105 | . . . . . 6 ⊢ 0 ∈ ℕ0 | |
2 | iftrue 4445 | . . . . . . 7 ⊢ (𝑛 = 0 → if(𝑛 = 0, ∅, (𝑛 − 1)) = ∅) | |
3 | eqid 2737 | . . . . . . 7 ⊢ (𝑛 ∈ ℕ0 ↦ if(𝑛 = 0, ∅, (𝑛 − 1))) = (𝑛 ∈ ℕ0 ↦ if(𝑛 = 0, ∅, (𝑛 − 1))) | |
4 | 0ex 5200 | . . . . . . 7 ⊢ ∅ ∈ V | |
5 | 2, 3, 4 | fvmpt 6818 | . . . . . 6 ⊢ (0 ∈ ℕ0 → ((𝑛 ∈ ℕ0 ↦ if(𝑛 = 0, ∅, (𝑛 − 1)))‘0) = ∅) |
6 | 1, 5 | ax-mp 5 | . . . . 5 ⊢ ((𝑛 ∈ ℕ0 ↦ if(𝑛 = 0, ∅, (𝑛 − 1)))‘0) = ∅ |
7 | 4 | prid1 4678 | . . . . . 6 ⊢ ∅ ∈ {∅, 1o} |
8 | df2o3 8217 | . . . . . 6 ⊢ 2o = {∅, 1o} | |
9 | 7, 8 | eleqtrri 2837 | . . . . 5 ⊢ ∅ ∈ 2o |
10 | 6, 9 | eqeltri 2834 | . . . 4 ⊢ ((𝑛 ∈ ℕ0 ↦ if(𝑛 = 0, ∅, (𝑛 − 1)))‘0) ∈ 2o |
11 | 10 | a1i 11 | . . 3 ⊢ (𝜑 → ((𝑛 ∈ ℕ0 ↦ if(𝑛 = 0, ∅, (𝑛 − 1)))‘0) ∈ 2o) |
12 | df-ov 7216 | . . . . 5 ⊢ (𝑥(𝑐 ∈ 2o, 𝑚 ∈ ℕ0 ↦ if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅))𝑦) = ((𝑐 ∈ 2o, 𝑚 ∈ ℕ0 ↦ if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅))‘〈𝑥, 𝑦〉) | |
13 | 1oex 8215 | . . . . . . . . . . 11 ⊢ 1o ∈ V | |
14 | 13 | prid2 4679 | . . . . . . . . . 10 ⊢ 1o ∈ {∅, 1o} |
15 | 14, 8 | eleqtrri 2837 | . . . . . . . . 9 ⊢ 1o ∈ 2o |
16 | 15, 9 | ifcli 4486 | . . . . . . . 8 ⊢ if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅) ∈ 2o |
17 | 16 | rgen2w 3074 | . . . . . . 7 ⊢ ∀𝑐 ∈ 2o ∀𝑚 ∈ ℕ0 if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅) ∈ 2o |
18 | eqid 2737 | . . . . . . . 8 ⊢ (𝑐 ∈ 2o, 𝑚 ∈ ℕ0 ↦ if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅)) = (𝑐 ∈ 2o, 𝑚 ∈ ℕ0 ↦ if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅)) | |
19 | 18 | fmpo 7838 | . . . . . . 7 ⊢ (∀𝑐 ∈ 2o ∀𝑚 ∈ ℕ0 if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅) ∈ 2o ↔ (𝑐 ∈ 2o, 𝑚 ∈ ℕ0 ↦ if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅)):(2o × ℕ0)⟶2o) |
20 | 17, 19 | mpbi 233 | . . . . . 6 ⊢ (𝑐 ∈ 2o, 𝑚 ∈ ℕ0 ↦ if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅)):(2o × ℕ0)⟶2o |
21 | 20, 9 | f0cli 6917 | . . . . 5 ⊢ ((𝑐 ∈ 2o, 𝑚 ∈ ℕ0 ↦ if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅))‘〈𝑥, 𝑦〉) ∈ 2o |
22 | 12, 21 | eqeltri 2834 | . . . 4 ⊢ (𝑥(𝑐 ∈ 2o, 𝑚 ∈ ℕ0 ↦ if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅))𝑦) ∈ 2o |
23 | 22 | a1i 11 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 2o ∧ 𝑦 ∈ V)) → (𝑥(𝑐 ∈ 2o, 𝑚 ∈ ℕ0 ↦ if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅))𝑦) ∈ 2o) |
24 | nn0uz 12476 | . . 3 ⊢ ℕ0 = (ℤ≥‘0) | |
25 | 0zd 12188 | . . 3 ⊢ (𝜑 → 0 ∈ ℤ) | |
26 | fvexd 6732 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ (ℤ≥‘(0 + 1))) → ((𝑛 ∈ ℕ0 ↦ if(𝑛 = 0, ∅, (𝑛 − 1)))‘𝑥) ∈ V) | |
27 | 11, 23, 24, 25, 26 | seqf2 13595 | . 2 ⊢ (𝜑 → seq0((𝑐 ∈ 2o, 𝑚 ∈ ℕ0 ↦ if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅)), (𝑛 ∈ ℕ0 ↦ if(𝑛 = 0, ∅, (𝑛 − 1)))):ℕ0⟶2o) |
28 | sadval.c | . . 3 ⊢ 𝐶 = seq0((𝑐 ∈ 2o, 𝑚 ∈ ℕ0 ↦ if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅)), (𝑛 ∈ ℕ0 ↦ if(𝑛 = 0, ∅, (𝑛 − 1)))) | |
29 | 28 | feq1i 6536 | . 2 ⊢ (𝐶:ℕ0⟶2o ↔ seq0((𝑐 ∈ 2o, 𝑚 ∈ ℕ0 ↦ if(cadd(𝑚 ∈ 𝐴, 𝑚 ∈ 𝐵, ∅ ∈ 𝑐), 1o, ∅)), (𝑛 ∈ ℕ0 ↦ if(𝑛 = 0, ∅, (𝑛 − 1)))):ℕ0⟶2o) |
30 | 27, 29 | sylibr 237 | 1 ⊢ (𝜑 → 𝐶:ℕ0⟶2o) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 caddwcad 1613 ∈ wcel 2110 ∀wral 3061 Vcvv 3408 ⊆ wss 3866 ∅c0 4237 ifcif 4439 {cpr 4543 〈cop 4547 ↦ cmpt 5135 × cxp 5549 ⟶wf 6376 ‘cfv 6380 (class class class)co 7213 ∈ cmpo 7215 1oc1o 8195 2oc2o 8196 0cc0 10729 1c1 10730 + caddc 10732 − cmin 11062 ℕ0cn0 12090 ℤ≥cuz 12438 seqcseq 13574 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 ax-cnex 10785 ax-resscn 10786 ax-1cn 10787 ax-icn 10788 ax-addcl 10789 ax-addrcl 10790 ax-mulcl 10791 ax-mulrcl 10792 ax-mulcom 10793 ax-addass 10794 ax-mulass 10795 ax-distr 10796 ax-i2m1 10797 ax-1ne0 10798 ax-1rid 10799 ax-rnegex 10800 ax-rrecex 10801 ax-cnre 10802 ax-pre-lttri 10803 ax-pre-lttrn 10804 ax-pre-ltadd 10805 ax-pre-mulgt0 10806 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3066 df-rex 3067 df-reu 3068 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-pss 3885 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-tp 4546 df-op 4548 df-uni 4820 df-iun 4906 df-br 5054 df-opab 5116 df-mpt 5136 df-tr 5162 df-id 5455 df-eprel 5460 df-po 5468 df-so 5469 df-fr 5509 df-we 5511 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-pred 6160 df-ord 6216 df-on 6217 df-lim 6218 df-suc 6219 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-riota 7170 df-ov 7216 df-oprab 7217 df-mpo 7218 df-om 7645 df-1st 7761 df-2nd 7762 df-wrecs 8047 df-recs 8108 df-rdg 8146 df-1o 8202 df-2o 8203 df-er 8391 df-en 8627 df-dom 8628 df-sdom 8629 df-pnf 10869 df-mnf 10870 df-xr 10871 df-ltxr 10872 df-le 10873 df-sub 11064 df-neg 11065 df-nn 11831 df-n0 12091 df-z 12177 df-uz 12439 df-fz 13096 df-seq 13575 |
This theorem is referenced by: sadcp1 16014 |
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