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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 10583 | . 2 ⊢ ℝ ⊆ ℂ | |
2 | remulcl 10611 | . 2 ⊢ ((𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ) → (𝑥 · 𝑦) ∈ ℝ) | |
3 | 1re 10630 | . 2 ⊢ 1 ∈ ℝ | |
4 | 1, 2, 3 | expcllem 13436 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℝ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 ∈ wcel 2111 (class class class)co 7135 ℝcr 10525 ℕ0cn0 11885 ↑cexp 13425 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-cnex 10582 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 ax-pre-mulgt0 10603 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-om 7561 df-2nd 7672 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-nn 11626 df-n0 11886 df-z 11970 df-uz 12232 df-seq 13365 df-exp 13426 |
This theorem is referenced by: expgt1 13463 resqcl 13486 reexpcld 13523 rpexpmord 13528 leexp2r 13534 leexp1a 13535 bernneq 13586 bernneq3 13588 expnbnd 13589 expnlbnd 13590 expmulnbnd 13592 digit2 13593 digit1 13594 expnngt1 13598 faclbnd 13646 faclbnd2 13647 faclbnd3 13648 faclbnd4lem1 13649 faclbnd5 13654 faclbnd6 13655 geomulcvg 15224 reeftcl 15420 ege2le3 15435 eftlub 15454 eflegeo 15466 resin4p 15483 recos4p 15484 ef01bndlem 15529 sin01bnd 15530 cos01bnd 15531 sin01gt0 15535 rpnnen2lem2 15560 rpnnen2lem4 15562 rpnnen2lem11 15569 powm2modprm 16130 prmreclem6 16247 mbfi1fseqlem6 24324 aaliou3lem8 24941 radcnvlem1 25008 abelthlem5 25030 abelthlem7 25033 tangtx 25098 advlogexp 25246 logtayllem 25250 leibpilem2 25527 leibpi 25528 leibpisum 25529 basellem3 25668 chtublem 25795 logexprlim 25809 dchrisum0flblem1 26092 pntlem3 26193 ostth2lem1 26202 ostth2lem3 26219 ostth3 26222 hgt750lem 32032 tgoldbachgnn 32040 subfacval2 32547 nn0prpw 33784 mblfinlem1 35094 mblfinlem2 35095 bfplem1 35260 lcmineqlem20 39336 3lexlogpow5ineq1 39341 tgoldbach 44335 dignn0fr 45015 digexp 45021 dig2bits 45028 |
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