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| Mirrors > Home > MPE Home > Th. List > dec0h | Structured version Visualization version GIF version | ||
| Description: Add a zero in the higher places. (Contributed by Mario Carneiro, 17-Apr-2015.) (Revised by AV, 6-Sep-2021.) |
| Ref | Expression |
|---|---|
| dec0u.1 | ⊢ 𝐴 ∈ ℕ0 |
| Ref | Expression |
|---|---|
| dec0h | ⊢ 𝐴 = ;0𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 10nn0 12843 | . . 3 ⊢ ;10 ∈ ℕ0 | |
| 2 | dec0u.1 | . . 3 ⊢ 𝐴 ∈ ℕ0 | |
| 3 | 1, 2 | num0h 12833 | . 2 ⊢ 𝐴 = ((;10 · 0) + 𝐴) |
| 4 | dfdec10 12824 | . 2 ⊢ ;0𝐴 = ((;10 · 0) + 𝐴) | |
| 5 | 3, 4 | eqtr4i 2786 | 1 ⊢ 𝐴 = ;0𝐴 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 ∈ wcel 2144 (class class class)co 7424 0cc0 11207 1c1 11208 + caddc 11210 · cmul 11212 ℕ0cn0 12613 ;cdc 12821 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5327 ax-pr 5391 ax-un 7755 ax-resscn 11264 ax-1cn 11265 ax-icn 11266 ax-addcl 11267 ax-addrcl 11268 ax-mulcl 11269 ax-mulrcl 11270 ax-mulcom 11271 ax-addass 11272 ax-mulass 11273 ax-distr 11274 ax-i2m1 11275 ax-1ne0 11276 ax-1rid 11277 ax-rnegex 11278 ax-rrecex 11279 ax-cnre 11280 ax-pre-lttri 11281 ax-pre-lttrn 11282 ax-pre-ltadd 11283 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-ov 7427 df-om 7882 df-2nd 8006 df-frecs 8306 df-wrecs 8337 df-recs 8386 df-rdg 8425 df-er 8724 df-en 8981 df-dom 8982 df-sdom 8983 df-pnf 11352 df-mnf 11353 df-ltxr 11355 df-nn 12343 df-2 12412 df-3 12413 df-4 12414 df-5 12415 df-6 12416 df-7 12417 df-8 12418 df-9 12419 df-n0 12614 df-dec 12822 |
| This theorem is used by: declei 12862 decrmanc 12883 decrmac 12884 decaddi 12886 decaddci 12887 decmulnc 12893 dec5dvds2 17252 2exp16 17277 37prm 17308 43prm 17309 83prm 17310 139prm 17311 163prm 17312 317prm 17313 631prm 17314 1259lem1 17318 1259lem2 17319 1259lem3 17320 1259lem4 17321 1259lem5 17322 2503lem1 17324 2503lem2 17325 2503lem3 17326 2503prm 17327 4001lem1 17328 4001lem2 17329 4001lem3 17330 4001lem4 17331 log2ublem3 27285 log2ub 27286 1mhdrd 33532 hgt750lem2 35331 12gcd5e1 43162 60gcd7e1 43164 420gcd8e4 43165 60lcm7e420 43169 420lcm8e840 43170 3exp7 43212 3lexlogpow5ineq1 43213 3lexlogpow5ineq5 43219 aks4d1p1 43235 ex-decpmul 43472 wallispi2lem2 47190 139prmALT 48789 127prm 48792 nfermltl2rev 48949 |
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