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| Mirrors > Home > MPE Home > Th. List > pncan1 | Structured version Visualization version GIF version | ||
| Description: Cancellation law for addition and subtraction with 1. (Contributed by Alexander van der Vekens, 3-Oct-2018.) |
| Ref | Expression |
|---|---|
| pncan1 | ⊢ (𝐴 ∈ ℂ → ((𝐴 + 1) − 1) = 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | id 23 | . 2 ⊢ (𝐴 ∈ ℂ → 𝐴 ∈ ℂ) | |
| 2 | 1cnd 11213 | . 2 ⊢ (𝐴 ∈ ℂ → 1 ∈ ℂ) | |
| 3 | 1, 2 | pncand 11581 | 1 ⊢ (𝐴 ∈ ℂ → ((𝐴 + 1) − 1) = 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2146 (class class class)co 7416 ℂcc 11109 1c1 11112 + caddc 11114 − cmin 11452 |
| 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 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7738 ax-resscn 11168 ax-1cn 11169 ax-icn 11170 ax-addcl 11171 ax-addrcl 11172 ax-mulcl 11173 ax-mulrcl 11174 ax-mulcom 11175 ax-addass 11176 ax-mulass 11177 ax-distr 11178 ax-i2m1 11179 ax-1ne0 11180 ax-1rid 11181 ax-rnegex 11182 ax-rrecex 11183 ax-cnre 11184 ax-pre-lttri 11185 ax-pre-lttrn 11186 ax-pre-ltadd 11187 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-po 5571 df-so 5572 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-er 8696 df-en 8946 df-dom 8947 df-sdom 8948 df-pnf 11256 df-mnf 11257 df-ltxr 11259 df-sub 11454 |
| This theorem is used by: nn0split 13684 nn0disj 13685 elfzom1elp1fzo1 13809 sqoddm1div8 14293 wrdlenccats1lenm1 14676 ccats1pfxeq 14769 ltoddhalfle 16437 pwp1fsum 16467 flodddiv4 16491 prmop1 17116 psdpw 22363 cayhamlem1 23053 2lgslem1c 27588 2lgslem3a 27591 wlklenvm1 30005 wwlknp 30235 wwlknlsw 30239 0enwwlksnge1 30256 wlkiswwlks1 30259 wspthsnwspthsnon 30308 wspthsnonn0vne 30309 elwspths2spth 30362 wwlksext2clwwlk 30451 numclwwlk2lem1lem 30740 numclwlk2lem2f 30775 poimirlem4 38308 poimirlem10 38314 poimirlem19 38323 poimirlem28 38332 sumnnodd 46379 iccpartgtprec 48202 fmtnom1nn 48317 fmtnorec1 48322 sfprmdvdsmersenne 48388 proththdlem 48398 41prothprmlem1 48402 ppivalnnprm 48410 dfodd6 48435 evenp1odd 48438 perfectALTVlem1 48519 isubgr3stgrlem2 48765 gpgvtxedg0 48861 altgsumbcALT 49166 fllog2 49381 nnpw2blen 49393 dig2nn1st 49418 nn0sumshdiglemA 49432 nn0sumshdiglemB 49433 aacllem 50654 |
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