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Mirrors > Home > ILE Home > Th. List > 3dec | Unicode version |
Description: A "decimal constructor" which is used to build up "decimal integers" or "numeric terms" in base 10 with 3 "digits". (Contributed by AV, 14-Jun-2021.) (Revised by AV, 1-Aug-2021.) |
Ref | Expression |
---|---|
3dec.a | |
3dec.b |
Ref | Expression |
---|---|
3dec | ;; ; ; |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dfdec10 9178 | . 2 ;; ; ; | |
2 | dfdec10 9178 | . . . . . 6 ; ; | |
3 | 2 | oveq2i 5778 | . . . . 5 ; ; ; ; |
4 | 1nn 8724 | . . . . . . . 8 | |
5 | 4 | decnncl2 9198 | . . . . . . 7 ; |
6 | 5 | nncni 8723 | . . . . . 6 ; |
7 | 3dec.a | . . . . . . . 8 | |
8 | 7 | nn0cni 8982 | . . . . . . 7 |
9 | 6, 8 | mulcli 7764 | . . . . . 6 ; |
10 | 3dec.b | . . . . . . 7 | |
11 | 10 | nn0cni 8982 | . . . . . 6 |
12 | 6, 9, 11 | adddii 7769 | . . . . 5 ; ; ; ; ; |
13 | 3, 12 | eqtri 2158 | . . . 4 ; ; ; ; ; |
14 | 6, 6, 8 | mulassi 7768 | . . . . . . 7 ; ; ; ; |
15 | 14 | eqcomi 2141 | . . . . . 6 ; ; ; ; |
16 | 6 | sqvali 10365 | . . . . . . . 8 ; ; ; |
17 | 16 | eqcomi 2141 | . . . . . . 7 ; ; ; |
18 | 17 | oveq1i 5777 | . . . . . 6 ; ; ; |
19 | 15, 18 | eqtri 2158 | . . . . 5 ; ; ; |
20 | 19 | oveq1i 5777 | . . . 4 ; ; ; ; ; |
21 | 13, 20 | eqtri 2158 | . . 3 ; ; ; ; |
22 | 21 | oveq1i 5777 | . 2 ; ; ; ; |
23 | 1, 22 | eqtri 2158 | 1 ;; ; ; |
Colors of variables: wff set class |
Syntax hints: wceq 1331 wcel 1480 (class class class)co 5767 cc0 7613 c1 7614 caddc 7616 cmul 7618 c2 8764 cn0 8970 ;cdc 9175 cexp 10285 |
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 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-coll 4038 ax-sep 4041 ax-nul 4049 ax-pow 4093 ax-pr 4126 ax-un 4350 ax-setind 4447 ax-iinf 4497 ax-cnex 7704 ax-resscn 7705 ax-1cn 7706 ax-1re 7707 ax-icn 7708 ax-addcl 7709 ax-addrcl 7710 ax-mulcl 7711 ax-mulrcl 7712 ax-addcom 7713 ax-mulcom 7714 ax-addass 7715 ax-mulass 7716 ax-distr 7717 ax-i2m1 7718 ax-0lt1 7719 ax-1rid 7720 ax-0id 7721 ax-rnegex 7722 ax-precex 7723 ax-cnre 7724 ax-pre-ltirr 7725 ax-pre-ltwlin 7726 ax-pre-lttrn 7727 ax-pre-apti 7728 ax-pre-ltadd 7729 ax-pre-mulgt0 7730 ax-pre-mulext 7731 |
This theorem depends on definitions: df-bi 116 df-dc 820 df-3or 963 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ne 2307 df-nel 2402 df-ral 2419 df-rex 2420 df-reu 2421 df-rmo 2422 df-rab 2423 df-v 2683 df-sbc 2905 df-csb 2999 df-dif 3068 df-un 3070 df-in 3072 df-ss 3079 df-nul 3359 df-if 3470 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-uni 3732 df-int 3767 df-iun 3810 df-br 3925 df-opab 3985 df-mpt 3986 df-tr 4022 df-id 4210 df-po 4213 df-iso 4214 df-iord 4283 df-on 4285 df-ilim 4286 df-suc 4288 df-iom 4500 df-xp 4540 df-rel 4541 df-cnv 4542 df-co 4543 df-dm 4544 df-rn 4545 df-res 4546 df-ima 4547 df-iota 5083 df-fun 5120 df-fn 5121 df-f 5122 df-f1 5123 df-fo 5124 df-f1o 5125 df-fv 5126 df-riota 5723 df-ov 5770 df-oprab 5771 df-mpo 5772 df-1st 6031 df-2nd 6032 df-recs 6195 df-frec 6281 df-pnf 7795 df-mnf 7796 df-xr 7797 df-ltxr 7798 df-le 7799 df-sub 7928 df-neg 7929 df-reap 8330 df-ap 8337 df-div 8426 df-inn 8714 df-2 8772 df-3 8773 df-4 8774 df-5 8775 df-6 8776 df-7 8777 df-8 8778 df-9 8779 df-n0 8971 df-z 9048 df-dec 9176 df-uz 9320 df-seqfrec 10212 df-exp 10286 |
This theorem is referenced by: 3dvds2dec 11552 |
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