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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 12749 | . . 3 ⊢ ;10 ∈ ℕ0 | |
| 2 | dec0u.1 | . . 3 ⊢ 𝐴 ∈ ℕ0 | |
| 3 | 1, 2 | num0h 12739 | . 2 ⊢ 𝐴 = ((;10 · 0) + 𝐴) |
| 4 | dfdec10 12730 | . 2 ⊢ ;0𝐴 = ((;10 · 0) + 𝐴) | |
| 5 | 3, 4 | eqtr4i 2791 | 1 ⊢ 𝐴 = ;0𝐴 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2146 (class class class)co 7419 0cc0 11115 1c1 11116 + caddc 11118 · cmul 11120 ℕ0cn0 12519 ;cdc 12727 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-resscn 11172 ax-1cn 11173 ax-icn 11174 ax-addcl 11175 ax-addrcl 11176 ax-mulcl 11177 ax-mulrcl 11178 ax-mulcom 11179 ax-addass 11180 ax-mulass 11181 ax-distr 11182 ax-i2m1 11183 ax-1ne0 11184 ax-1rid 11185 ax-rnegex 11186 ax-rrecex 11187 ax-cnre 11188 ax-pre-lttri 11189 ax-pre-lttrn 11190 ax-pre-ltadd 11191 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-ov 7422 df-om 7869 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-pnf 11260 df-mnf 11261 df-ltxr 11263 df-nn 12249 df-2 12318 df-3 12319 df-4 12320 df-5 12321 df-6 12322 df-7 12323 df-8 12324 df-9 12325 df-n0 12520 df-dec 12728 |
| This theorem is used by: declei 12768 decrmanc 12789 decrmac 12790 decaddi 12792 decaddci 12793 decmulnc 12799 dec5dvds2 17147 2exp16 17172 37prm 17203 43prm 17204 83prm 17205 139prm 17206 163prm 17207 317prm 17208 631prm 17209 1259lem1 17213 1259lem2 17214 1259lem3 17215 1259lem4 17216 1259lem5 17217 2503lem1 17219 2503lem2 17220 2503lem3 17221 2503prm 17222 4001lem1 17223 4001lem2 17224 4001lem3 17225 4001lem4 17226 log2ublem3 27164 log2ub 27165 1mhdrd 33305 hgt750lem2 35104 12gcd5e1 42828 60gcd7e1 42830 420gcd8e4 42831 60lcm7e420 42835 420lcm8e840 42836 3exp7 42878 3lexlogpow5ineq1 42879 3lexlogpow5ineq5 42885 aks4d1p1 42901 ex-decpmul 43125 wallispi2lem2 46844 139prmALT 48406 127prm 48409 nfermltl2rev 48566 |
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