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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 12473 | . 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 1570 ∈ wcel 2146 (class class class)co 7416 ℂcc 11109 + caddc 11114 / cdiv 11882 2c2 12306 |
| 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 ax-pre-mulgt0 11188 |
| 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-rmo 3371 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-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 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-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 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-om 7865 df-2nd 7989 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-er 8696 df-en 8946 df-dom 8947 df-sdom 8948 df-pnf 11256 df-mnf 11257 df-xr 11258 df-ltxr 11259 df-le 11260 df-sub 11454 df-neg 11455 df-div 11883 df-nn 12245 df-2 12314 |
| This theorem is used by: reccn2 15667 mertenslem1 15956 sin01bnd 16258 prmreclem5 16997 4sqlem6 17020 4sqlem10 17024 4sqlem15 17036 4sqlem16 17037 blhalf 24591 methaus 24706 nrginvrcnlem 24877 opnreen 25018 iscau3 25466 ovollb2lem 25676 ovolunlem1a 25684 itg2cnlem2 25950 ulmcn 26591 ulmdvlem1 26592 cxpcn3lem 26941 chordthmlem4 27029 lgamgulmlem3 27224 ftalem2 27267 chtub 27405 lgsqrlem2 27540 lgseisenlem2 27569 lgsquadlem1 27573 2sqlem8 27619 mulog2sumlem1 27727 vmalogdivsum 27732 pntibndlem2 27784 lt2addrd 33124 le2halvesd 33130 dnizphlfeqhlf 37098 poimirlem29 38333 heicant 38339 mblfinlem4 38344 itg2addnclem 38355 ftc1anclem6 38382 ftc1anclem8 38384 heibor1lem 38493 aks4d1p1p4 42871 suplesup 46088 lptre2pt 46387 0ellimcdiv 46396 ioodvbdlimc1lem2 46679 ioodvbdlimc2lem 46681 dirkertrigeqlem2 46846 dirkercncflem1 46850 sge0xaddlem1 47180 hoiqssbllem2 47370 |
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