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| Mirrors > Home > MPE Home > Th. List > npcan | Structured version Visualization version GIF version | ||
| Description: Cancellation law for subtraction. (Contributed by NM, 10-May-2004.) (Revised by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| npcan | ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐴 − 𝐵) + 𝐵) = 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | subcl 11474 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐴 − 𝐵) ∈ ℂ) | |
| 2 | simpr 490 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → 𝐵 ∈ ℂ) | |
| 3 | 1, 2 | addcomd 11430 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐴 − 𝐵) + 𝐵) = (𝐵 + (𝐴 − 𝐵))) |
| 4 | pncan3 11483 | . . 3 ⊢ ((𝐵 ∈ ℂ ∧ 𝐴 ∈ ℂ) → (𝐵 + (𝐴 − 𝐵)) = 𝐴) | |
| 5 | 4 | ancoms 464 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐵 + (𝐴 − 𝐵)) = 𝐴) |
| 6 | 3, 5 | eqtrd 2801 | 1 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐴 − 𝐵) + 𝐵) = 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2146 (class class class)co 7423 ℂcc 11116 + caddc 11121 − cmin 11459 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 ax-resscn 11175 ax-1cn 11176 ax-icn 11177 ax-addcl 11178 ax-addrcl 11179 ax-mulcl 11180 ax-mulrcl 11181 ax-mulcom 11182 ax-addass 11183 ax-mulass 11184 ax-distr 11185 ax-i2m1 11186 ax-1ne0 11187 ax-1rid 11188 ax-rnegex 11189 ax-rrecex 11190 ax-cnre 11191 ax-pre-lttri 11192 ax-pre-lttrn 11193 ax-pre-ltadd 11194 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-nel 3068 df-ral 3083 df-rex 3093 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-br 5115 df-opab 5179 df-mpt 5198 df-id 5561 df-po 5574 df-so 5575 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7380 df-ov 7426 df-oprab 7427 df-mpo 7428 df-er 8703 df-en 8953 df-dom 8954 df-sdom 8955 df-pnf 11263 df-mnf 11264 df-ltxr 11266 df-sub 11461 |
| This theorem is used by: addsubass 11485 npncan 11497 nppcan 11498 nnpcan 11499 subcan2 11501 nnncan 11511 npcand 11591 nn1suc 12273 zlem1lt 12664 zltlem1 12665 peano5uzi 12703 nummac 12779 uzp1 12917 peano2uzr 12945 qbtwnre 13243 fz01en 13599 fzsuc2 13629 fseq1m1p1 13646 predfz 13700 fzoss2 13735 fzoaddel2 13768 fzosplitsnm1 13788 fldiv 13913 modfzo0difsn 13999 seqm1 14075 monoord2 14089 sermono 14090 seqf1olem1 14097 seqf1olem2 14098 seqz 14106 expm1t 14146 expubnd 14234 bcm1k 14371 bcn2 14375 hashfzo 14486 hashbclem 14509 hashf1 14514 seqcoll 14521 swrdfv2 14723 swrdspsleq 14727 swrdlsw 14729 ccatpfx 14762 cshwlen 14862 cshwidxmodr 14867 cshwidxm 14871 swrd2lsw 15015 shftlem 15131 shftfval 15133 seqshft 15148 iserex 15734 serf0 15758 iseralt 15762 sumrblem 15788 fsumm1 15828 mptfzshft 15855 binomlem 15909 binom1dif 15913 isumsplit 15920 climcndslem1 15929 binomrisefac 16121 bpolycl 16131 bpolysum 16132 bpolydiflem 16133 bpoly2 16136 bpoly3 16137 fsumcube 16139 ruclem12 16322 dvdssub2 16384 4sqlem19 17048 vdwapun 17059 vdwapid1 17060 vdwlem5 17070 vdwlem8 17073 vdwnnlem2 17081 ramub1lem2 17112 1259lem4 17219 1259prm 17221 2503prm 17225 4001prm 17230 gsumsgrpccat 18930 sylow1lem1 19699 efgsres 19839 efgredleme 19844 gsummptshft 20037 ablsimpgfindlem1 20210 icccvx 25146 reparphti 25193 ovolunlem1 25693 advlog 26856 cxpaddlelem 26953 ang180lem1 27011 ang180lem3 27013 asinlem2 27071 tanatan 27121 ppiub 27405 perfect1 27429 lgsquad2lem1 27585 rplogsumlem1 27685 selberg2lem 27751 logdivbnd 27757 pntrsumo1 27766 pntrsumbnd2 27768 ax5seglem3 29318 ax5seglem5 29320 axbtwnid 29326 axlowdimlem16 29344 axeuclidlem 29349 axcontlem2 29352 crctcshwlkn0lem6 30201 clwwlknonex2lem2 30496 clwwlknonex2 30497 eucrctshift 30631 cvmliftlem7 35804 nndivsub 37009 ltflcei 38300 itg2addnclem3 38365 mettrifi 38449 irrapxlem1 43590 rmspecsqrtnq 43674 jm2.24nn 43727 jm2.18 43756 jm2.23 43764 jm2.27c 43775 monoord2xrv 46238 itgsinexp 46710 2elfz2melfz 48096 sbgoldbwt 48583 sgoldbeven3prm 48589 evengpop3 48604 evengpoap3 48605 gpg5nbgrvtx13starlem2 48878 zlmodzxzsub 49181 ackval42 49517 |
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