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| Mirrors > Home > MPE Home > Th. List > 2halvesd | Structured version Visualization version GIF version | ||
| Description: Two halves make a whole. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| 2timesd.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Ref | Expression |
|---|---|
| 2halvesd | ⊢ (𝜑 → ((𝐴 / 2) + (𝐴 / 2)) = 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2timesd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | 2halves 12568 | . 2 ⊢ (𝐴 ∈ ℂ → ((𝐴 / 2) + (𝐴 / 2)) = 𝐴) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → ((𝐴 / 2) + (𝐴 / 2)) = 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2144 (class class class)co 7421 ℂcc 11202 + caddc 11207 / cdiv 11977 2c2 12401 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-pre-mulgt0 11281 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-om 7879 df-2nd 8003 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-er 8721 df-en 8978 df-dom 8979 df-sdom 8980 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-sub 11547 df-neg 11548 df-div 11978 df-nn 12340 df-2 12409 |
| This theorem is used by: reccn2 15770 mertenslem1 16059 sin01bnd 16359 prmreclem5 17104 4sqlem6 17127 4sqlem10 17131 4sqlem15 17143 4sqlem16 17144 blhalf 24730 methaus 24845 nrginvrcnlem 25016 opnreen 25157 iscau3 25605 ovollb2lem 25815 ovolunlem1a 25823 itg2cnlem2 26089 ulmcn 26732 ulmdvlem1 26733 cxpcn3lem 27081 chordthmlem4 27169 lgamgulmlem3 27364 ftalem2 27407 chtub 27545 lgsqrlem2 27680 lgseisenlem2 27709 lgsquadlem1 27713 2sqlem8 27759 mulog2sumlem1 27867 vmalogdivsum 27872 pntibndlem2 27924 lt2addrd 33389 le2halvesd 33395 dnizphlfeqhlf 37435 poimirlem29 38661 heicant 38667 mblfinlem4 38672 itg2addnclem 38683 ftc1anclem6 38710 ftc1anclem8 38712 heibor1lem 38837 aks4d1p1p4 43215 suplesup 46445 lptre2pt 46744 0ellimcdiv 46753 ioodvbdlimc1lem2 47036 ioodvbdlimc2lem 47038 dirkertrigeqlem2 47203 dirkercncflem1 47207 sge0xaddlem1 47537 hoiqssbllem2 47727 |
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