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Mirrors > Home > ILE Home > Th. List > mulclpi | Unicode version |
Description: Closure of multiplication of positive integers. (Contributed by NM, 18-Oct-1995.) |
Ref | Expression |
---|---|
mulclpi |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mulpiord 7319 |
. 2
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2 | pinn 7311 |
. . . 4
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3 | pinn 7311 |
. . . 4
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4 | nnmcl 6485 |
. . . 4
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5 | 2, 3, 4 | syl2an 289 |
. . 3
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6 | elni2 7316 |
. . . . . . 7
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7 | 6 | simprbi 275 |
. . . . . 6
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8 | 7 | adantl 277 |
. . . . 5
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9 | 3 | adantl 277 |
. . . . . 6
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10 | 2 | adantr 276 |
. . . . . 6
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11 | elni2 7316 |
. . . . . . . 8
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12 | 11 | simprbi 275 |
. . . . . . 7
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13 | 12 | adantr 276 |
. . . . . 6
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14 | nnmordi 6520 |
. . . . . 6
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15 | 9, 10, 13, 14 | syl21anc 1237 |
. . . . 5
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16 | 8, 15 | mpd 13 |
. . . 4
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17 | ne0i 3431 |
. . . 4
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18 | 16, 17 | syl 14 |
. . 3
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19 | elni 7310 |
. . 3
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20 | 5, 18, 19 | sylanbrc 417 |
. 2
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21 | 1, 20 | eqeltrd 2254 |
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 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-coll 4120 ax-sep 4123 ax-nul 4131 ax-pow 4176 ax-pr 4211 ax-un 4435 ax-setind 4538 ax-iinf 4589 |
This theorem depends on definitions: df-bi 117 df-dc 835 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-ral 2460 df-rex 2461 df-reu 2462 df-rab 2464 df-v 2741 df-sbc 2965 df-csb 3060 df-dif 3133 df-un 3135 df-in 3137 df-ss 3144 df-nul 3425 df-pw 3579 df-sn 3600 df-pr 3601 df-op 3603 df-uni 3812 df-int 3847 df-iun 3890 df-br 4006 df-opab 4067 df-mpt 4068 df-tr 4104 df-id 4295 df-iord 4368 df-on 4370 df-suc 4373 df-iom 4592 df-xp 4634 df-rel 4635 df-cnv 4636 df-co 4637 df-dm 4638 df-rn 4639 df-res 4640 df-ima 4641 df-iota 5180 df-fun 5220 df-fn 5221 df-f 5222 df-f1 5223 df-fo 5224 df-f1o 5225 df-fv 5226 df-ov 5881 df-oprab 5882 df-mpo 5883 df-1st 6144 df-2nd 6145 df-recs 6309 df-irdg 6374 df-oadd 6424 df-omul 6425 df-ni 7306 df-mi 7308 |
This theorem is referenced by: mulasspig 7334 distrpig 7335 ltmpig 7341 enqer 7360 enqdc 7363 addcmpblnq 7369 mulcmpblnq 7370 addpipqqslem 7371 mulpipq2 7373 mulpipqqs 7375 ordpipqqs 7376 addclnq 7377 mulclnq 7378 addcomnqg 7383 addassnqg 7384 mulassnqg 7386 mulcanenq 7387 distrnqg 7389 recexnq 7392 nqtri3or 7398 ltdcnq 7399 ltsonq 7400 ltanqg 7402 ltmnqg 7403 1lt2nq 7408 ltexnqq 7410 archnqq 7419 addcmpblnq0 7445 mulcmpblnq0 7446 mulcanenq0ec 7447 addclnq0 7453 mulclnq0 7454 nqpnq0nq 7455 nqnq0a 7456 nqnq0m 7457 nq0m0r 7458 distrnq0 7461 addassnq0lemcl 7463 |
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