| 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 23 | . 2 ⊢ (𝐴 ∈ ℂ → 𝐴 ∈ ℂ) | |
| 2 | 1cnd 11295 | . 2 ⊢ (𝐴 ∈ ℂ → 1 ∈ ℂ) | |
| 3 | 1, 2 | pncand 11663 | 1 ⊢ (𝐴 ∈ ℂ → ((𝐴 + 1) − 1) = 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 (class class class)co 7418 ℂcc 11191 1c1 11194 + caddc 11196 − cmin 11534 |
| 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 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 ax-resscn 11250 ax-1cn 11251 ax-icn 11252 ax-addcl 11253 ax-addrcl 11254 ax-mulcl 11255 ax-mulrcl 11256 ax-mulcom 11257 ax-addass 11258 ax-mulass 11259 ax-distr 11260 ax-i2m1 11261 ax-1ne0 11262 ax-1rid 11263 ax-rnegex 11264 ax-rrecex 11265 ax-cnre 11266 ax-pre-lttri 11267 ax-pre-lttrn 11268 ax-pre-ltadd 11269 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-po 5559 df-so 5560 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7375 df-ov 7421 df-oprab 7422 df-mpo 7423 df-er 8710 df-en 8967 df-dom 8968 df-sdom 8969 df-pnf 11338 df-mnf 11339 df-ltxr 11341 df-sub 11536 |
| This theorem is used by: nn0split 13770 nn0disj 13771 elfzom1elp1fzo1 13895 sqoddm1div8 14380 wrdlenccats1lenm1 14763 ccats1pfxeq 14856 ltoddhalfle 16524 pwp1fsum 16554 flodddiv4 16578 prmop1 17209 psdpw 22484 cayhamlem1 23177 2lgslem1c 27713 2lgslem3a 27716 wlklenvm1 30195 wwlknp 30425 wwlknlsw 30429 0enwwlksnge1 30446 wlkiswwlks1 30449 wspthsnwspthsnon 30498 wspthsnonn0vne 30499 elwspths2spth 30552 wwlksext2clwwlk 30641 numclwwlk2lem1lem 30936 numclwlk2lem2f 30971 poimirlem4 38522 poimirlem10 38528 poimirlem19 38537 poimirlem28 38546 sumnnodd 46611 iccpartgtprec 48471 fmtnom1nn 48586 fmtnorec1 48591 sfprmdvdsmersenne 48657 proththdlem 48667 41prothprmlem1 48671 ppivalnnprm 48679 dfodd6 48704 evenp1odd 48707 perfectALTVlem1 48788 isubgr3stgrlem2 49034 gpgvtxedg0 49130 altgsumbcALT 49434 fllog2 49649 nnpw2blen 49661 dig2nn1st 49686 nn0sumshdiglemA 49700 nn0sumshdiglemB 49701 aacllem 50908 |
| Copyright terms: Public domain | W3C validator |