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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 8377 |
. . 3
| |
| 2 | simpr 110 |
. . 3
| |
| 3 | 1, 2 | addcomd 8329 |
. 2
|
| 4 | pncan3 8386 |
. . 3
| |
| 5 | 4 | ancoms 268 |
. 2
|
| 6 | 3, 5 | eqtrd 2264 |
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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-setind 4635 ax-resscn 8123 ax-1cn 8124 ax-icn 8126 ax-addcl 8127 ax-addrcl 8128 ax-mulcl 8129 ax-addcom 8131 ax-addass 8133 ax-distr 8135 ax-i2m1 8136 ax-0id 8139 ax-rnegex 8140 ax-cnre 8142 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-ral 2515 df-rex 2516 df-reu 2517 df-rab 2519 df-v 2804 df-sbc 3032 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-opab 4151 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-iota 5286 df-fun 5328 df-fv 5334 df-riota 5970 df-ov 6020 df-oprab 6021 df-mpo 6022 df-sub 8351 |
| This theorem is referenced by: addsubass 8388 npncan 8399 nppcan 8400 nnpcan 8401 subcan2 8403 nnncan 8413 npcand 8493 nn1suc 9161 zlem1lt 9535 zltlem1 9536 peano5uzti 9587 nummac 9654 uzp1 9789 peano2uzr 9818 fz01en 10287 fzsuc2 10313 fseq1m1p1 10329 fzoss2 10408 fzoaddel2 10434 fzosplitsnm1 10453 fzosplitprm1 10479 modfzo0difsn 10656 seq3m1 10734 monoord2 10747 ser3mono 10748 seqf1oglem1 10780 seqf1oglem2 10781 expm1t 10828 expubnd 10857 bcm1k 11021 bcn2 11025 hashfzo 11085 seq3coll 11105 swrdfv2 11243 swrdspsleq 11247 swrdlsw 11249 ccatpfx 11281 shftlem 11376 shftfvalg 11378 shftfval 11381 iserex 11899 serf0 11912 fsumm1 11976 mptfzshft 12002 binomlem 12043 binom1dif 12047 isumsplit 12051 dvdssub2 12395 4sqlem19 12981 perfect1 15721 lgsquad2lem1 15809 clwwlknonex2lem2 16288 clwwlknonex2 16289 |
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