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Mirrors > Home > MPE Home > Th. List > reexpcl | Structured version Visualization version GIF version |
Description: Closure of exponentiation of reals. (Contributed by NM, 14-Dec-2005.) |
Ref | Expression |
---|---|
reexpcl | ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℝ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-resscn 9872 | . 2 ⊢ ℝ ⊆ ℂ | |
2 | remulcl 9900 | . 2 ⊢ ((𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ) → (𝑥 · 𝑦) ∈ ℝ) | |
3 | 1re 9918 | . 2 ⊢ 1 ∈ ℝ | |
4 | 1, 2, 3 | expcllem 12733 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℝ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 ∈ wcel 1977 (class class class)co 6549 ℝcr 9814 ℕ0cn0 11169 ↑cexp 12722 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-2nd 7060 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-nn 10898 df-n0 11170 df-z 11255 df-uz 11564 df-seq 12664 df-exp 12723 |
This theorem is referenced by: expgt1 12760 leexp2r 12780 leexp1a 12781 resqcl 12793 bernneq 12852 bernneq3 12854 expnbnd 12855 expnlbnd 12856 expmulnbnd 12858 digit2 12859 digit1 12860 reexpcld 12887 faclbnd 12939 faclbnd2 12940 faclbnd3 12941 faclbnd4lem1 12942 faclbnd5 12947 faclbnd6 12948 geomulcvg 14446 reeftcl 14644 ege2le3 14659 eftlub 14678 eflegeo 14690 resin4p 14707 recos4p 14708 ef01bndlem 14753 sin01bnd 14754 cos01bnd 14755 sin01gt0 14759 rpnnen2lem2 14783 rpnnen2lem4 14785 rpnnen2lem11 14792 powm2modprm 15346 prmreclem6 15463 mbfi1fseqlem6 23293 aaliou3lem8 23904 radcnvlem1 23971 abelthlem5 23993 abelthlem7 23996 tangtx 24061 advlogexp 24201 logtayllem 24205 leibpilem2 24468 leibpi 24469 leibpisum 24470 basellem3 24609 chtublem 24736 logexprlim 24750 dchrisum0flblem1 24997 pntlem3 25098 ostth2lem1 25107 ostth2lem3 25124 ostth3 25127 numclwwlk5 26639 subfacval2 30423 nn0prpw 31488 mblfinlem1 32616 mblfinlem2 32617 bfplem1 32791 rpexpmord 36531 tgoldbach 40232 tgoldbachOLD 40239 dignn0fr 42193 digexp 42199 dig2bits 42206 |
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