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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 10189 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐴 − (𝐴 − 𝐵)) = 𝐵) | |
4 | 1, 2, 3 | syl2anc 691 | 1 ⊢ (𝜑 → (𝐴 − (𝐴 − 𝐵)) = 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1475 ∈ wcel 1977 (class class class)co 6549 ℂcc 9813 − cmin 10145 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-po 4959 df-so 4960 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-pnf 9955 df-mnf 9956 df-ltxr 9958 df-sub 10147 |
This theorem is referenced by: moddiffl 12543 flmod 12546 ccatswrd 13308 o1dif 14208 fprodser 14518 fprodrev 14546 fallfacval3 14582 efaddlem 14662 4sqlem5 15484 mul4sqlem 15495 4sqlem14 15500 coe1tmmul2 19467 znunit 19731 blssps 22039 blss 22040 metdstri 22462 ivthlem3 23029 ioorcl2 23146 vitalilem2 23184 dvexp3 23545 dvcvx 23587 iblulm 23965 chordthmlem4 24362 heron 24365 cubic 24376 dquartlem1 24378 birthdaylem2 24479 lgamgulmlem2 24556 lgamcvg2 24581 ftalem2 24600 basellem3 24609 gausslemma2dlem1a 24890 lgsquadlem1 24905 pntrlog2bndlem4 25069 axsegconlem1 25597 lt2addrd 28903 ballotlemsf1o 29902 bcprod 30877 lzenom 36351 rmspecfund 36492 fzmaxdif 36566 jm2.18 36573 jm2.19 36578 jm2.20nn 36582 supxrgere 38490 lptre2pt 38707 ioodvbdlimc2lem 38824 dvnprodlem1 38836 dvnprodlem2 38837 fourierdlem4 39004 fourierdlem26 39026 fourierdlem42 39042 fourierdlem48 39047 fourierdlem65 39064 fouriersw 39124 sge0gtfsumgt 39336 meaiininclem 39376 fmtnorec2lem 39992 goldbachthlem2 39996 pw2m1lepw2m1 42104 |
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