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Mirrors > Home > MPE Home > Th. List > pncan | 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 |
---|---|
pncan | ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐴 + 𝐵) − 𝐵) = 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 487 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → 𝐵 ∈ ℂ) | |
2 | simpl 485 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → 𝐴 ∈ ℂ) | |
3 | 1, 2 | addcomd 10842 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐵 + 𝐴) = (𝐴 + 𝐵)) |
4 | addcl 10619 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐴 + 𝐵) ∈ ℂ) | |
5 | subadd 10889 | . . 3 ⊢ (((𝐴 + 𝐵) ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐴 ∈ ℂ) → (((𝐴 + 𝐵) − 𝐵) = 𝐴 ↔ (𝐵 + 𝐴) = (𝐴 + 𝐵))) | |
6 | 4, 1, 2, 5 | syl3anc 1367 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (((𝐴 + 𝐵) − 𝐵) = 𝐴 ↔ (𝐵 + 𝐴) = (𝐴 + 𝐵))) |
7 | 3, 6 | mpbird 259 | 1 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐴 + 𝐵) − 𝐵) = 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 = wceq 1537 ∈ wcel 2114 (class class class)co 7156 ℂcc 10535 + caddc 10540 − cmin 10870 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-br 5067 df-opab 5129 df-mpt 5147 df-id 5460 df-po 5474 df-so 5475 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-er 8289 df-en 8510 df-dom 8511 df-sdom 8512 df-pnf 10677 df-mnf 10678 df-ltxr 10680 df-sub 10872 |
This theorem is referenced by: pncan2 10893 addsubass 10896 pncan3oi 10902 subid1 10906 nppcan2 10917 pncand 10998 nn1m1nn 11659 nnsub 11682 elnn0nn 11940 elz2 12000 zrevaddcl 12028 nzadd 12031 qrevaddcl 12371 irradd 12373 fzrev3 12974 elfzp1b 12985 fzrevral3 12995 fzval3 13107 seqf1olem1 13410 seqf1olem2 13411 bcp1nk 13678 bcp1m1 13681 bcpasc 13682 hashbclem 13811 ccatalpha 13947 wrdind 14084 wrd2ind 14085 2cshwcshw 14187 shftlem 14427 shftval5 14437 isershft 15020 isercoll2 15025 fsump1 15111 mptfzshft 15133 telfsumo 15157 fsumparts 15161 bcxmas 15190 isum1p 15196 geolim 15226 mertenslem2 15241 mertens 15242 fsumkthpow 15410 eftlub 15462 effsumlt 15464 eirrlem 15557 dvdsadd 15652 prmind2 16029 iserodd 16172 fldivp1 16233 prmpwdvds 16240 pockthlem 16241 prmreclem4 16255 prmreclem6 16257 4sqlem11 16291 vdwapun 16310 ramub1lem1 16362 ramcl 16365 efgsval2 18859 efgsrel 18860 shft2rab 24109 uniioombllem3 24186 uniioombllem4 24187 dvexp 24550 dvfsumlem1 24623 degltp1le 24667 ply1divex 24730 plyaddlem1 24803 plymullem1 24804 dvply1 24873 dvply2g 24874 vieta1lem2 24900 aaliou3lem7 24938 dvradcnv 25009 pserdvlem2 25016 abssinper 25106 advlogexp 25238 atantayl3 25517 leibpilem2 25519 emcllem2 25574 harmonicbnd4 25588 basellem8 25665 ppiprm 25728 ppinprm 25729 chtprm 25730 chtnprm 25731 chpp1 25732 chtub 25788 perfectlem1 25805 perfectlem2 25806 perfect 25807 bcp1ctr 25855 lgsvalmod 25892 lgseisen 25955 lgsquadlem1 25956 lgsquad2lem1 25960 2sqlem10 26004 rplogsumlem1 26060 selberg2lem 26126 logdivbnd 26132 pntrsumo1 26141 pntpbnd2 26163 clwwlkf1 27828 subfacp1lem5 32431 subfacp1lem6 32432 subfacval2 32434 subfaclim 32435 cvmliftlem7 32538 cvmliftlem10 32541 mblfinlem2 34945 itg2addnclem3 34960 fdc 35035 mettrifi 35047 heiborlem4 35107 heiborlem6 35109 lzenom 39387 2nn0ind 39562 jm2.17a 39577 jm2.17b 39578 jm2.17c 39579 evensumeven 43892 perfectALTVlem2 43907 perfectALTV 43908 |
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