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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 11220 | . 2 ⊢ (𝐴 ∈ ℂ → 1 ∈ ℂ) | |
| 3 | 1, 2 | pncand 11588 | 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 7423 ℂcc 11116 1c1 11119 + 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: nn0split 13690 nn0disj 13691 elfzom1elp1fzo1 13815 sqoddm1div8 14299 wrdlenccats1lenm1 14682 ccats1pfxeq 14775 ltoddhalfle 16444 pwp1fsum 16474 flodddiv4 16498 prmop1 17123 psdpw 22363 cayhamlem1 23053 2lgslem1c 27587 2lgslem3a 27590 wlklenvm1 30001 wwlknp 30222 wwlknlsw 30226 0enwwlksnge1 30243 wlkiswwlks1 30246 wspthsnwspthsnon 30295 wspthsnonn0vne 30296 elwspths2spth 30349 wwlksext2clwwlk 30438 numclwwlk2lem1lem 30723 numclwlk2lem2f 30758 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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