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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 8368 |
. . 3
| |
| 2 | simpr 110 |
. . 3
| |
| 3 | 1, 2 | addcomd 8320 |
. 2
|
| 4 | pncan3 8377 |
. . 3
| |
| 5 | 4 | ancoms 268 |
. 2
|
| 6 | 3, 5 | eqtrd 2262 |
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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-setind 4633 ax-resscn 8114 ax-1cn 8115 ax-icn 8117 ax-addcl 8118 ax-addrcl 8119 ax-mulcl 8120 ax-addcom 8122 ax-addass 8124 ax-distr 8126 ax-i2m1 8127 ax-0id 8130 ax-rnegex 8131 ax-cnre 8133 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2802 df-sbc 3030 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-br 4087 df-opab 4149 df-id 4388 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-iota 5284 df-fun 5326 df-fv 5332 df-riota 5966 df-ov 6016 df-oprab 6017 df-mpo 6018 df-sub 8342 |
| This theorem is referenced by: addsubass 8379 npncan 8390 nppcan 8391 nnpcan 8392 subcan2 8394 nnncan 8404 npcand 8484 nn1suc 9152 zlem1lt 9526 zltlem1 9527 peano5uzti 9578 nummac 9645 uzp1 9780 peano2uzr 9809 fz01en 10278 fzsuc2 10304 fseq1m1p1 10320 fzoss2 10399 fzoaddel2 10425 fzosplitsnm1 10444 fzosplitprm1 10470 modfzo0difsn 10647 seq3m1 10725 monoord2 10738 ser3mono 10739 seqf1oglem1 10771 seqf1oglem2 10772 expm1t 10819 expubnd 10848 bcm1k 11012 bcn2 11016 hashfzo 11076 seq3coll 11096 swrdfv2 11234 swrdspsleq 11238 swrdlsw 11240 ccatpfx 11272 shftlem 11367 shftfvalg 11369 shftfval 11372 iserex 11890 serf0 11903 fsumm1 11967 mptfzshft 11993 binomlem 12034 binom1dif 12038 isumsplit 12042 dvdssub2 12386 4sqlem19 12972 perfect1 15712 lgsquad2lem1 15800 clwwlknonex2lem2 16233 clwwlknonex2 16234 |
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