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Mirrors > Home > MPE Home > Th. List > mulresr | Unicode version |
Description: Multiplication of real numbers in terms of intermediate signed reals. (Contributed by NM, 10-May-1996.) (New usage is discouraged.) |
Ref | Expression |
---|---|
mulresr |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0r 8919 |
. . 3
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2 | mulcnsr 8975 |
. . . 4
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3 | 2 | an4s 800 |
. . 3
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4 | 1, 1, 3 | mpanr12 667 |
. 2
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5 | 00sr 8938 |
. . . . . . . 8
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6 | 1, 5 | ax-mp 8 |
. . . . . . 7
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7 | 6 | oveq2i 6059 |
. . . . . 6
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8 | m1r 8921 |
. . . . . . 7
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9 | 00sr 8938 |
. . . . . . 7
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10 | 8, 9 | ax-mp 8 |
. . . . . 6
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11 | 7, 10 | eqtri 2432 |
. . . . 5
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12 | 11 | oveq2i 6059 |
. . . 4
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13 | mulclsr 8923 |
. . . . 5
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14 | 0idsr 8936 |
. . . . 5
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15 | 13, 14 | syl 16 |
. . . 4
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16 | 12, 15 | syl5eq 2456 |
. . 3
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17 | mulcomsr 8928 |
. . . . . 6
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18 | 00sr 8938 |
. . . . . 6
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19 | 17, 18 | syl5eq 2456 |
. . . . 5
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20 | 00sr 8938 |
. . . . 5
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21 | 19, 20 | oveqan12rd 6068 |
. . . 4
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22 | 0idsr 8936 |
. . . . 5
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23 | 1, 22 | ax-mp 8 |
. . . 4
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24 | 21, 23 | syl6eq 2460 |
. . 3
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25 | 16, 24 | opeq12d 3960 |
. 2
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26 | 4, 25 | eqtrd 2444 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem is referenced by: axmulrcl 8993 ax1rid 9000 axrrecex 9002 axpre-mulgt0 9007 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-3 7 ax-mp 8 ax-gen 1552 ax-5 1563 ax-17 1623 ax-9 1662 ax-8 1683 ax-13 1723 ax-14 1725 ax-6 1740 ax-7 1745 ax-11 1757 ax-12 1946 ax-ext 2393 ax-sep 4298 ax-nul 4306 ax-pow 4345 ax-pr 4371 ax-un 4668 ax-inf2 7560 |
This theorem depends on definitions: df-bi 178 df-or 360 df-an 361 df-3or 937 df-3an 938 df-tru 1325 df-ex 1548 df-nf 1551 df-sb 1656 df-eu 2266 df-mo 2267 df-clab 2399 df-cleq 2405 df-clel 2408 df-nfc 2537 df-ne 2577 df-ral 2679 df-rex 2680 df-reu 2681 df-rmo 2682 df-rab 2683 df-v 2926 df-sbc 3130 df-csb 3220 df-dif 3291 df-un 3293 df-in 3295 df-ss 3302 df-pss 3304 df-nul 3597 df-if 3708 df-pw 3769 df-sn 3788 df-pr 3789 df-tp 3790 df-op 3791 df-uni 3984 df-int 4019 df-iun 4063 df-br 4181 df-opab 4235 df-mpt 4236 df-tr 4271 df-eprel 4462 df-id 4466 df-po 4471 df-so 4472 df-fr 4509 df-we 4511 df-ord 4552 df-on 4553 df-lim 4554 df-suc 4555 df-om 4813 df-xp 4851 df-rel 4852 df-cnv 4853 df-co 4854 df-dm 4855 df-rn 4856 df-res 4857 df-ima 4858 df-iota 5385 df-fun 5423 df-fn 5424 df-f 5425 df-f1 5426 df-fo 5427 df-f1o 5428 df-fv 5429 df-ov 6051 df-oprab 6052 df-mpt2 6053 df-1st 6316 df-2nd 6317 df-recs 6600 df-rdg 6635 df-1o 6691 df-oadd 6695 df-omul 6696 df-er 6872 df-ec 6874 df-qs 6878 df-ni 8713 df-pli 8714 df-mi 8715 df-lti 8716 df-plpq 8749 df-mpq 8750 df-ltpq 8751 df-enq 8752 df-nq 8753 df-erq 8754 df-plq 8755 df-mq 8756 df-1nq 8757 df-rq 8758 df-ltnq 8759 df-np 8822 df-1p 8823 df-plp 8824 df-mp 8825 df-ltp 8826 df-plpr 8896 df-mpr 8897 df-enr 8898 df-nr 8899 df-plr 8900 df-mr 8901 df-0r 8903 df-m1r 8905 df-c 8960 df-mul 8966 |
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