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| Mirrors > Home > MPE Home > Th. List > 3rp | Structured version Visualization version GIF version | ||
| Description: 3 is a positive real. (Contributed by Glauco Siliprandi, 11-Dec-2019.) |
| Ref | Expression |
|---|---|
| 3rp | ⊢ 3 ∈ ℝ+ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3re 12256 | . 2 ⊢ 3 ∈ ℝ | |
| 2 | 3pos 12281 | . 2 ⊢ 0 < 3 | |
| 3 | 1, 2 | elrpii 12940 | 1 ⊢ 3 ∈ ℝ+ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2121 3c3 12232 ℝ+crp 12937 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-sep 5221 ax-nul 5231 ax-pow 5297 ax-pr 5365 ax-un 7682 ax-resscn 11090 ax-1cn 11091 ax-icn 11092 ax-addcl 11093 ax-addrcl 11094 ax-mulcl 11095 ax-mulrcl 11096 ax-mulcom 11097 ax-addass 11098 ax-mulass 11099 ax-distr 11100 ax-i2m1 11101 ax-1ne0 11102 ax-1rid 11103 ax-rnegex 11104 ax-rrecex 11105 ax-cnre 11106 ax-pre-lttri 11107 ax-pre-lttrn 11108 ax-pre-ltadd 11109 ax-pre-mulgt0 11110 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3or 1094 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ne 2937 df-nel 3041 df-ral 3056 df-rex 3066 df-reu 3347 df-rab 3394 df-v 3435 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-br 5076 df-opab 5138 df-mpt 5157 df-id 5516 df-po 5529 df-so 5530 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-iota 6445 df-fun 6491 df-fn 6492 df-f 6493 df-f1 6494 df-fo 6495 df-f1o 6496 df-fv 6497 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-pnf 11176 df-mnf 11177 df-xr 11178 df-ltxr 11179 df-le 11180 df-sub 11374 df-neg 11375 df-2 12239 df-3 12240 df-rp 12938 |
| This theorem is referenced by: 01sqrexlem7 15205 caurcvgr 15631 vitalilem4 25600 pige3ALT 26506 2logb9irrALT 26784 log2cnv 26930 cht3 27158 bposlem9 27277 chto1ub 27461 dchrvmasumiflem1 27486 pntibndlem1 27574 pntibndlem2 27576 pntlema 27581 pntlemb 27582 hgt750lemd 34844 hgt750lem 34847 hgt750lem2 34848 hgt750leme 34854 itg2addnclem3 38055 3lexlogpow2ineq2 42559 3lexlogpow5ineq5 42560 fourierdlem87 46650 lighneallem2 48098 gpg3kgrtriexlem2 48589 |
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