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Mirrors > Home > ILE Home > Th. List > addcanpig | Unicode version |
Description: Addition cancellation law for positive integers. (Contributed by Jim Kingdon, 27-Aug-2019.) |
Ref | Expression |
---|---|
addcanpig |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | addpiord 7344 |
. . . . 5
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2 | 1 | 3adant3 1019 |
. . . 4
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3 | addpiord 7344 |
. . . . 5
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4 | 3 | 3adant2 1018 |
. . . 4
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5 | 2, 4 | eqeq12d 2204 |
. . 3
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6 | pinn 7337 |
. . . 4
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7 | pinn 7337 |
. . . 4
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8 | pinn 7337 |
. . . 4
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9 | nnacan 6536 |
. . . . 5
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10 | 9 | biimpd 144 |
. . . 4
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11 | 6, 7, 8, 10 | syl3an 1291 |
. . 3
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12 | 5, 11 | sylbid 150 |
. 2
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13 | oveq2 5903 |
. 2
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14 | 12, 13 | 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 2162 ax-14 2163 ax-ext 2171 ax-coll 4133 ax-sep 4136 ax-nul 4144 ax-pow 4192 ax-pr 4227 ax-un 4451 ax-setind 4554 ax-iinf 4605 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2041 df-mo 2042 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ne 2361 df-ral 2473 df-rex 2474 df-reu 2475 df-rab 2477 df-v 2754 df-sbc 2978 df-csb 3073 df-dif 3146 df-un 3148 df-in 3150 df-ss 3157 df-nul 3438 df-pw 3592 df-sn 3613 df-pr 3614 df-op 3616 df-uni 3825 df-int 3860 df-iun 3903 df-br 4019 df-opab 4080 df-mpt 4081 df-tr 4117 df-id 4311 df-iord 4384 df-on 4386 df-suc 4389 df-iom 4608 df-xp 4650 df-rel 4651 df-cnv 4652 df-co 4653 df-dm 4654 df-rn 4655 df-res 4656 df-ima 4657 df-iota 5196 df-fun 5237 df-fn 5238 df-f 5239 df-f1 5240 df-fo 5241 df-f1o 5242 df-fv 5243 df-ov 5898 df-oprab 5899 df-mpo 5900 df-1st 6164 df-2nd 6165 df-recs 6329 df-irdg 6394 df-oadd 6444 df-ni 7332 df-pli 7333 |
This theorem is referenced by: (None) |
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