| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 22 | . 2 ⊢ (𝐴 ∈ ℂ → 𝐴 ∈ ℂ) | |
| 2 | 1cnd 11169 | . 2 ⊢ (𝐴 ∈ ℂ → 1 ∈ ℂ) | |
| 3 | 1, 2 | pncand 11534 | 1 ⊢ (𝐴 ∈ ℂ → ((𝐴 + 1) − 1) = 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2109 (class class class)co 7387 ℂcc 11066 1c1 11069 + caddc 11071 − cmin 11405 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5251 ax-nul 5261 ax-pow 5320 ax-pr 5387 ax-un 7711 ax-resscn 11125 ax-1cn 11126 ax-icn 11127 ax-addcl 11128 ax-addrcl 11129 ax-mulcl 11130 ax-mulrcl 11131 ax-mulcom 11132 ax-addass 11133 ax-mulass 11134 ax-distr 11135 ax-i2m1 11136 ax-1ne0 11137 ax-1rid 11138 ax-rnegex 11139 ax-rrecex 11140 ax-cnre 11141 ax-pre-lttri 11142 ax-pre-lttrn 11143 ax-pre-ltadd 11144 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-reu 3355 df-rab 3406 df-v 3449 df-sbc 3754 df-csb 3863 df-dif 3917 df-un 3919 df-in 3921 df-ss 3931 df-nul 4297 df-if 4489 df-pw 4565 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4872 df-br 5108 df-opab 5170 df-mpt 5189 df-id 5533 df-po 5546 df-so 5547 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-res 5650 df-ima 5651 df-iota 6464 df-fun 6513 df-fn 6514 df-f 6515 df-f1 6516 df-fo 6517 df-f1o 6518 df-fv 6519 df-riota 7344 df-ov 7390 df-oprab 7391 df-mpo 7392 df-er 8671 df-en 8919 df-dom 8920 df-sdom 8921 df-pnf 11210 df-mnf 11211 df-ltxr 11213 df-sub 11407 |
| This theorem is referenced by: nn0split 13604 nn0disj 13605 elfzom1elp1fzo1 13728 sqoddm1div8 14208 wrdlenccats1lenm1 14587 ccats1pfxeq 14679 ltoddhalfle 16331 pwp1fsum 16361 flodddiv4 16385 prmop1 17009 psdpw 22057 cayhamlem1 22753 2lgslem1c 27304 2lgslem3a 27307 wlklenvm1 29550 wwlknp 29773 wwlknlsw 29777 0enwwlksnge1 29794 wlkiswwlks1 29797 wspthsnwspthsnon 29846 wspthsnonn0vne 29847 elwspths2spth 29897 wwlksext2clwwlk 29986 numclwwlk2lem1lem 30271 numclwlk2lem2f 30306 poimirlem4 37618 poimirlem10 37624 poimirlem19 37633 poimirlem28 37642 sumnnodd 45628 iccpartgtprec 47421 fmtnom1nn 47533 fmtnorec1 47538 sfprmdvdsmersenne 47604 proththdlem 47614 41prothprmlem1 47618 dfodd6 47638 evenp1odd 47641 perfectALTVlem1 47722 isubgr3stgrlem2 47966 gpgvtxedg0 48054 altgsumbcALT 48341 fllog2 48557 nnpw2blen 48569 dig2nn1st 48594 nn0sumshdiglemA 48608 nn0sumshdiglemB 48609 aacllem 49790 |
| Copyright terms: Public domain | W3C validator |