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Mirrors > Home > MPE Home > Th. List > decma | Structured version Visualization version GIF version |
Description: Perform a multiply-add of two numerals ๐ and ๐ against a fixed multiplicand ๐ (no carry). (Contributed by Mario Carneiro, 18-Feb-2014.) (Revised by AV, 6-Sep-2021.) |
Ref | Expression |
---|---|
decma.a | โข ๐ด โ โ0 |
decma.b | โข ๐ต โ โ0 |
decma.c | โข ๐ถ โ โ0 |
decma.d | โข ๐ท โ โ0 |
decma.m | โข ๐ = ;๐ด๐ต |
decma.n | โข ๐ = ;๐ถ๐ท |
decma.p | โข ๐ โ โ0 |
decma.e | โข ((๐ด ยท ๐) + ๐ถ) = ๐ธ |
decma.f | โข ((๐ต ยท ๐) + ๐ท) = ๐น |
Ref | Expression |
---|---|
decma | โข ((๐ ยท ๐) + ๐) = ;๐ธ๐น |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 10nn0 12719 | . . 3 โข ;10 โ โ0 | |
2 | decma.a | . . 3 โข ๐ด โ โ0 | |
3 | decma.b | . . 3 โข ๐ต โ โ0 | |
4 | decma.c | . . 3 โข ๐ถ โ โ0 | |
5 | decma.d | . . 3 โข ๐ท โ โ0 | |
6 | decma.m | . . . 4 โข ๐ = ;๐ด๐ต | |
7 | dfdec10 12704 | . . . 4 โข ;๐ด๐ต = ((;10 ยท ๐ด) + ๐ต) | |
8 | 6, 7 | eqtri 2756 | . . 3 โข ๐ = ((;10 ยท ๐ด) + ๐ต) |
9 | decma.n | . . . 4 โข ๐ = ;๐ถ๐ท | |
10 | dfdec10 12704 | . . . 4 โข ;๐ถ๐ท = ((;10 ยท ๐ถ) + ๐ท) | |
11 | 9, 10 | eqtri 2756 | . . 3 โข ๐ = ((;10 ยท ๐ถ) + ๐ท) |
12 | decma.p | . . 3 โข ๐ โ โ0 | |
13 | decma.e | . . 3 โข ((๐ด ยท ๐) + ๐ถ) = ๐ธ | |
14 | decma.f | . . 3 โข ((๐ต ยท ๐) + ๐ท) = ๐น | |
15 | 1, 2, 3, 4, 5, 8, 11, 12, 13, 14 | numma 12745 | . 2 โข ((๐ ยท ๐) + ๐) = ((;10 ยท ๐ธ) + ๐น) |
16 | dfdec10 12704 | . 2 โข ;๐ธ๐น = ((;10 ยท ๐ธ) + ๐น) | |
17 | 15, 16 | eqtr4i 2759 | 1 โข ((๐ ยท ๐) + ๐) = ;๐ธ๐น |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1534 โ wcel 2099 (class class class)co 7414 0cc0 11132 1c1 11133 + caddc 11135 ยท cmul 11137 โ0cn0 12496 ;cdc 12701 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2699 ax-sep 5293 ax-nul 5300 ax-pow 5359 ax-pr 5423 ax-un 7734 ax-resscn 11189 ax-1cn 11190 ax-icn 11191 ax-addcl 11192 ax-addrcl 11193 ax-mulcl 11194 ax-mulrcl 11195 ax-mulcom 11196 ax-addass 11197 ax-mulass 11198 ax-distr 11199 ax-i2m1 11200 ax-1ne0 11201 ax-1rid 11202 ax-rnegex 11203 ax-rrecex 11204 ax-cnre 11205 ax-pre-lttri 11206 ax-pre-lttrn 11207 ax-pre-ltadd 11208 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 847 df-3or 1086 df-3an 1087 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2530 df-eu 2559 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2937 df-nel 3043 df-ral 3058 df-rex 3067 df-reu 3373 df-rab 3429 df-v 3472 df-sbc 3776 df-csb 3891 df-dif 3948 df-un 3950 df-in 3952 df-ss 3962 df-pss 3964 df-nul 4319 df-if 4525 df-pw 4600 df-sn 4625 df-pr 4627 df-op 4631 df-uni 4904 df-iun 4993 df-br 5143 df-opab 5205 df-mpt 5226 df-tr 5260 df-id 5570 df-eprel 5576 df-po 5584 df-so 5585 df-fr 5627 df-we 5629 df-xp 5678 df-rel 5679 df-cnv 5680 df-co 5681 df-dm 5682 df-rn 5683 df-res 5684 df-ima 5685 df-pred 6299 df-ord 6366 df-on 6367 df-lim 6368 df-suc 6369 df-iota 6494 df-fun 6544 df-fn 6545 df-f 6546 df-f1 6547 df-fo 6548 df-f1o 6549 df-fv 6550 df-ov 7417 df-om 7865 df-2nd 7988 df-frecs 8280 df-wrecs 8311 df-recs 8385 df-rdg 8424 df-er 8718 df-en 8958 df-dom 8959 df-sdom 8960 df-pnf 11274 df-mnf 11275 df-ltxr 11277 df-nn 12237 df-2 12299 df-3 12300 df-4 12301 df-5 12302 df-6 12303 df-7 12304 df-8 12305 df-9 12306 df-n0 12497 df-dec 12702 |
This theorem is referenced by: decrmanc 12758 2503lem2 17100 4001lem1 17103 log2ub 26874 3exp7 41518 3lexlogpow5ineq1 41519 sqn5i 41853 |
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