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Mirrors > Home > ILE Home > Th. List > mulcanpig | Unicode version |
Description: Multiplication cancellation law for positive integers. (Contributed by Jim Kingdon, 29-Aug-2019.) |
Ref | Expression |
---|---|
mulcanpig |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mulpiord 7379 |
. . . . . 6
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2 | 1 | adantr 276 |
. . . . 5
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3 | mulpiord 7379 |
. . . . . 6
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4 | 3 | adantlr 477 |
. . . . 5
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5 | 2, 4 | eqeq12d 2208 |
. . . 4
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6 | pinn 7371 |
. . . . . . . . 9
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7 | pinn 7371 |
. . . . . . . . 9
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8 | pinn 7371 |
. . . . . . . . 9
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9 | elni2 7376 |
. . . . . . . . . . . 12
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10 | 9 | simprbi 275 |
. . . . . . . . . . 11
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11 | nnmcan 6574 |
. . . . . . . . . . . 12
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12 | 11 | biimpd 144 |
. . . . . . . . . . 11
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13 | 10, 12 | sylan2 286 |
. . . . . . . . . 10
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14 | 13 | ex 115 |
. . . . . . . . 9
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15 | 6, 7, 8, 14 | syl3an 1291 |
. . . . . . . 8
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16 | 15 | 3exp 1204 |
. . . . . . 7
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17 | 16 | com4r 86 |
. . . . . 6
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18 | 17 | pm2.43i 49 |
. . . . 5
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19 | 18 | imp31 256 |
. . . 4
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20 | 5, 19 | sylbid 150 |
. . 3
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21 | 20 | 3impa 1196 |
. 2
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22 | oveq2 5927 |
. 2
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23 | 21, 22 | impbid1 142 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-coll 4145 ax-sep 4148 ax-nul 4156 ax-pow 4204 ax-pr 4239 ax-un 4465 ax-setind 4570 ax-iinf 4621 |
This theorem depends on definitions: df-bi 117 df-dc 836 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-ral 2477 df-rex 2478 df-reu 2479 df-rab 2481 df-v 2762 df-sbc 2987 df-csb 3082 df-dif 3156 df-un 3158 df-in 3160 df-ss 3167 df-nul 3448 df-pw 3604 df-sn 3625 df-pr 3626 df-op 3628 df-uni 3837 df-int 3872 df-iun 3915 df-br 4031 df-opab 4092 df-mpt 4093 df-tr 4129 df-id 4325 df-iord 4398 df-on 4400 df-suc 4403 df-iom 4624 df-xp 4666 df-rel 4667 df-cnv 4668 df-co 4669 df-dm 4670 df-rn 4671 df-res 4672 df-ima 4673 df-iota 5216 df-fun 5257 df-fn 5258 df-f 5259 df-f1 5260 df-fo 5261 df-f1o 5262 df-fv 5263 df-ov 5922 df-oprab 5923 df-mpo 5924 df-1st 6195 df-2nd 6196 df-recs 6360 df-irdg 6425 df-oadd 6475 df-omul 6476 df-ni 7366 df-mi 7368 |
This theorem is referenced by: enqer 7420 |
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