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| Mirrors > Home > ILE Home > Th. List > npcan | Unicode version | ||
| Description: Cancellation law for subtraction. (Contributed by NM, 10-May-2004.) (Revised by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| npcan |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | subcl 8472 |
. . 3
| |
| 2 | simpr 110 |
. . 3
| |
| 3 | 1, 2 | addcomd 8424 |
. 2
|
| 4 | pncan3 8481 |
. . 3
| |
| 5 | 4 | ancoms 268 |
. 2
|
| 6 | 3, 5 | eqtrd 2265 |
1
|
| 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 ax-setind 4659 ax-resscn 8219 ax-1cn 8220 ax-icn 8222 ax-addcl 8223 ax-addrcl 8224 ax-mulcl 8225 ax-addcom 8227 ax-addass 8229 ax-distr 8231 ax-i2m1 8232 ax-0id 8235 ax-rnegex 8236 ax-cnre 8238 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-ral 2525 df-rex 2526 df-reu 2527 df-rab 2529 df-v 2815 df-sbc 3043 df-dif 3213 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-br 4110 df-opab 4172 df-id 4414 df-xp 4755 df-rel 4756 df-cnv 4757 df-co 4758 df-dm 4759 df-iota 5312 df-fun 5354 df-fv 5360 df-riota 6003 df-ov 6053 df-oprab 6054 df-mpo 6055 df-sub 8446 |
| This theorem is referenced by: addsubass 8483 npncan 8494 nppcan 8495 nnpcan 8496 subcan2 8498 nnncan 8508 npcand 8588 nn1suc 9256 zlem1lt 9634 zltlem1 9635 peano5uzti 9686 nummac 9753 uzp1 9888 peano2uzr 9917 fz01en 10387 fzsuc2 10413 fseq1m1p1 10429 fzoss2 10508 fzoaddel2 10535 fzosplitsnm1 10554 fzosplitprm1 10580 modfzo0difsn 10757 seq3m1 10835 monoord2 10848 ser3mono 10849 seqf1oglem1 10881 seqf1oglem2 10882 expm1t 10929 expubnd 10958 bcm1k 11122 bcn2 11126 hashfzo 11187 hashfibclem 11206 seq3coll 11214 swrdfv2 11355 swrdspsleq 11359 swrdlsw 11361 ccatpfx 11393 shftlem 11501 shftfvalg 11503 shftfval 11506 iserex 12024 serf0 12037 fsumm1 12102 mptfzshft 12128 binomlem 12169 binom1dif 12173 isumsplit 12177 dvdssub2 12521 4sqlem19 13107 perfect1 15866 lgsquad2lem1 15954 clwwlknonex2lem2 16433 clwwlknonex2 16434 |
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