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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 10594 | . 2 ⊢ ℝ ⊆ ℂ | |
2 | remulcl 10622 | . 2 ⊢ ((𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ) → (𝑥 · 𝑦) ∈ ℝ) | |
3 | 1re 10641 | . 2 ⊢ 1 ∈ ℝ | |
4 | 1, 2, 3 | expcllem 13441 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℝ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2114 (class class class)co 7156 ℝcr 10536 ℕ0cn0 11898 ↑cexp 13430 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-pre-mulgt0 10614 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 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-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7581 df-2nd 7690 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-er 8289 df-en 8510 df-dom 8511 df-sdom 8512 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-nn 11639 df-n0 11899 df-z 11983 df-uz 12245 df-seq 13371 df-exp 13431 |
This theorem is referenced by: expgt1 13468 resqcl 13491 reexpcld 13528 rpexpmord 13533 leexp2r 13539 leexp1a 13540 bernneq 13591 bernneq3 13593 expnbnd 13594 expnlbnd 13595 expmulnbnd 13597 digit2 13598 digit1 13599 expnngt1 13603 faclbnd 13651 faclbnd2 13652 faclbnd3 13653 faclbnd4lem1 13654 faclbnd5 13659 faclbnd6 13660 geomulcvg 15232 reeftcl 15428 ege2le3 15443 eftlub 15462 eflegeo 15474 resin4p 15491 recos4p 15492 ef01bndlem 15537 sin01bnd 15538 cos01bnd 15539 sin01gt0 15543 rpnnen2lem2 15568 rpnnen2lem4 15570 rpnnen2lem11 15577 powm2modprm 16140 prmreclem6 16257 mbfi1fseqlem6 24321 aaliou3lem8 24934 radcnvlem1 25001 abelthlem5 25023 abelthlem7 25026 tangtx 25091 advlogexp 25238 logtayllem 25242 leibpilem2 25519 leibpi 25520 leibpisum 25521 basellem3 25660 chtublem 25787 logexprlim 25801 dchrisum0flblem1 26084 pntlem3 26185 ostth2lem1 26194 ostth2lem3 26211 ostth3 26214 hgt750lem 31922 tgoldbachgnn 31930 subfacval2 32434 nn0prpw 33671 mblfinlem1 34944 mblfinlem2 34945 bfplem1 35115 tgoldbach 44002 dignn0fr 44681 digexp 44687 dig2bits 44694 |
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