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Mirrors > Home > MPE Home > Th. List > recld | Structured version Visualization version GIF version |
Description: The real part of a complex number is real (closure law). (Contributed by Mario Carneiro, 29-May-2016.) |
Ref | Expression |
---|---|
recld.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
Ref | Expression |
---|---|
recld | ⊢ (𝜑 → (ℜ‘𝐴) ∈ ℝ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | recld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
2 | recl 14463 | . 2 ⊢ (𝐴 ∈ ℂ → (ℜ‘𝐴) ∈ ℝ) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (ℜ‘𝐴) ∈ ℝ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2110 ‘cfv 6350 ℂcc 10529 ℝcr 10530 ℜcre 14450 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5322 ax-un 7455 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 ax-pre-mulgt0 10608 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3497 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4833 df-br 5060 df-opab 5122 df-mpt 5140 df-id 5455 df-po 5469 df-so 5470 df-xp 5556 df-rel 5557 df-cnv 5558 df-co 5559 df-dm 5560 df-rn 5561 df-res 5562 df-ima 5563 df-iota 6309 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-fo 6356 df-f1o 6357 df-fv 6358 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-sub 10866 df-neg 10867 df-div 11292 df-2 11694 df-cj 14452 df-re 14453 |
This theorem is referenced by: abstri 14684 sqreulem 14713 eqsqrt2d 14722 rlimrege0 14930 recoscl 15488 cos01bnd 15533 cnsubrg 20599 mbfeqa 24238 mbfss 24241 mbfmulc2re 24243 mbfadd 24256 mbfmulc2 24258 mbflim 24263 mbfmul 24321 iblcn 24393 itgcnval 24394 itgre 24395 itgim 24396 iblneg 24397 itgneg 24398 iblss 24399 itgeqa 24408 iblconst 24412 ibladd 24415 itgadd 24419 iblabs 24423 iblabsr 24424 iblmulc2 24425 itgmulc2 24428 itgabs 24429 itgsplit 24430 dvlip 24584 tanregt0 25117 efif1olem4 25123 eff1olem 25126 lognegb 25167 relog 25174 efiarg 25184 cosarg0d 25186 argregt0 25187 argrege0 25188 abslogle 25195 logcnlem4 25222 cxpsqrtlem 25279 cxpcn3lem 25322 abscxpbnd 25328 cosangneg2d 25379 angrtmuld 25380 lawcoslem1 25387 isosctrlem1 25390 asinlem3a 25442 asinlem3 25443 asinneg 25458 asinsinlem 25463 asinsin 25464 acosbnd 25472 atanlogaddlem 25485 atanlogadd 25486 atanlogsublem 25487 atanlogsub 25488 atantan 25495 o1cxp 25546 cxploglim2 25550 zetacvg 25586 lgamgulmlem2 25601 sqsscirc2 31147 ibladdnc 34943 itgaddnc 34946 iblabsnc 34950 iblmulc2nc 34951 itgmulc2nc 34954 itgabsnc 34955 bddiblnc 34956 ftc1anclem2 34962 ftc1anclem5 34965 ftc1anclem6 34966 ftc1anclem8 34968 cntotbnd 35068 isosctrlem1ALT 41261 iblsplit 42243 |
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