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Mirrors > Home > MPE Home > Th. List > nncand | Structured version Visualization version GIF version |
Description: Cancellation law for subtraction. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
negidd.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
pncand.2 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
Ref | Expression |
---|---|
nncand | ⊢ (𝜑 → (𝐴 − (𝐴 − 𝐵)) = 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | negidd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
2 | pncand.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
3 | nncan 10904 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐴 − (𝐴 − 𝐵)) = 𝐵) | |
4 | 1, 2, 3 | syl2anc 587 | 1 ⊢ (𝜑 → (𝐴 − (𝐴 − 𝐵)) = 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1538 ∈ wcel 2111 (class class class)co 7135 ℂcc 10524 − cmin 10859 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-po 5438 df-so 5439 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-pnf 10666 df-mnf 10667 df-ltxr 10669 df-sub 10861 |
This theorem is referenced by: moddiffl 13245 flmod 13248 ccatswrd 14021 o1dif 14978 fprodser 15295 fprodrev 15323 fallfacval3 15358 efaddlem 15438 4sqlem5 16268 mul4sqlem 16279 4sqlem14 16284 znunit 20255 coe1tmmul2 20905 blssps 23031 blss 23032 metdstri 23456 ivthlem3 24057 ioorcl2 24176 vitalilem2 24213 dvexp3 24581 dvcvx 24623 iblulm 25002 chordthmlem4 25421 heron 25424 cubic 25435 dquartlem1 25437 birthdaylem2 25538 lgamgulmlem2 25615 lgamcvg2 25640 ftalem2 25659 basellem3 25668 gausslemma2dlem1a 25949 lgsquadlem1 25964 addsqrexnreu 26026 pntrlog2bndlem4 26164 axsegconlem1 26711 lt2addrd 30501 ballotlemsf1o 31881 revpfxsfxrev 32475 swrdrevpfx 32476 bcprod 33083 irrdiff 34740 fltnltalem 39618 fltnlta 39619 lzenom 39711 rmspecfund 39850 fzmaxdif 39922 jm2.18 39929 jm2.19 39934 jm2.20nn 39938 supxrgere 41965 lptre2pt 42282 ioodvbdlimc2lem 42576 dvnprodlem1 42588 dvnprodlem2 42589 fourierdlem4 42753 fourierdlem26 42775 fourierdlem42 42791 fourierdlem48 42796 fourierdlem65 42813 fouriersw 42873 sge0gtfsumgt 43082 meaiininclem 43125 fmtnorec2lem 44059 goldbachthlem2 44063 pw2m1lepw2m1 44929 eenglngeehlnmlem2 45152 itsclquadb 45190 |
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