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| Mirrors > Home > ILE Home > Th. List > pire | GIF version | ||
| Description: π is a real number. (Contributed by Paul Chapman, 23-Jan-2008.) |
| Ref | Expression |
|---|---|
| pire | ⊢ π ∈ ℝ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pilem3 15533 | . . 3 ⊢ (π ∈ (2(,)4) ∧ (sin‘π) = 0) | |
| 2 | 1 | simpli 111 | . 2 ⊢ π ∈ (2(,)4) |
| 3 | elioore 10149 | . 2 ⊢ (π ∈ (2(,)4) → π ∈ ℝ) | |
| 4 | 2, 3 | ax-mp 5 | 1 ⊢ π ∈ ℝ |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1397 ∈ wcel 2201 ‘cfv 5325 (class class class)co 6020 ℝcr 8033 0cc0 8034 2c2 9196 4c4 9198 (,)cioo 10125 sincsin 12225 πcpi 12228 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-coll 4203 ax-sep 4206 ax-nul 4214 ax-pow 4263 ax-pr 4298 ax-un 4529 ax-setind 4634 ax-iinf 4685 ax-cnex 8125 ax-resscn 8126 ax-1cn 8127 ax-1re 8128 ax-icn 8129 ax-addcl 8130 ax-addrcl 8131 ax-mulcl 8132 ax-mulrcl 8133 ax-addcom 8134 ax-mulcom 8135 ax-addass 8136 ax-mulass 8137 ax-distr 8138 ax-i2m1 8139 ax-0lt1 8140 ax-1rid 8141 ax-0id 8142 ax-rnegex 8143 ax-precex 8144 ax-cnre 8145 ax-pre-ltirr 8146 ax-pre-ltwlin 8147 ax-pre-lttrn 8148 ax-pre-apti 8149 ax-pre-ltadd 8150 ax-pre-mulgt0 8151 ax-pre-mulext 8152 ax-arch 8153 ax-caucvg 8154 ax-pre-suploc 8155 ax-addf 8156 ax-mulf 8157 |
| This theorem depends on definitions: df-bi 117 df-stab 838 df-dc 842 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ne 2402 df-nel 2497 df-ral 2514 df-rex 2515 df-reu 2516 df-rmo 2517 df-rab 2518 df-v 2803 df-sbc 3031 df-csb 3127 df-dif 3201 df-un 3203 df-in 3205 df-ss 3212 df-nul 3494 df-if 3605 df-pw 3653 df-sn 3674 df-pr 3675 df-op 3677 df-uni 3893 df-int 3928 df-iun 3971 df-disj 4064 df-br 4088 df-opab 4150 df-mpt 4151 df-tr 4187 df-id 4389 df-po 4392 df-iso 4393 df-iord 4462 df-on 4464 df-ilim 4465 df-suc 4467 df-iom 4688 df-xp 4730 df-rel 4731 df-cnv 4732 df-co 4733 df-dm 4734 df-rn 4735 df-res 4736 df-ima 4737 df-iota 5285 df-fun 5327 df-fn 5328 df-f 5329 df-f1 5330 df-fo 5331 df-f1o 5332 df-fv 5333 df-isom 5334 df-riota 5973 df-ov 6023 df-oprab 6024 df-mpo 6025 df-of 6237 df-1st 6305 df-2nd 6306 df-recs 6473 df-irdg 6538 df-frec 6559 df-1o 6584 df-oadd 6588 df-er 6704 df-map 6821 df-pm 6822 df-en 6912 df-dom 6913 df-fin 6914 df-sup 7185 df-inf 7186 df-pnf 8218 df-mnf 8219 df-xr 8220 df-ltxr 8221 df-le 8222 df-sub 8354 df-neg 8355 df-reap 8757 df-ap 8764 df-div 8855 df-inn 9146 df-2 9204 df-3 9205 df-4 9206 df-5 9207 df-6 9208 df-7 9209 df-8 9210 df-9 9211 df-n0 9405 df-z 9482 df-uz 9758 df-q 9856 df-rp 9891 df-xneg 10009 df-xadd 10010 df-ioo 10129 df-ioc 10130 df-ico 10131 df-icc 10132 df-fz 10246 df-fzo 10380 df-seqfrec 10713 df-exp 10804 df-fac 10991 df-bc 11013 df-ihash 11041 df-shft 11395 df-cj 11422 df-re 11423 df-im 11424 df-rsqrt 11578 df-abs 11579 df-clim 11859 df-sumdc 11934 df-ef 12229 df-sin 12231 df-cos 12232 df-pi 12234 df-rest 13344 df-topgen 13363 df-psmet 14578 df-xmet 14579 df-met 14580 df-bl 14581 df-mopn 14582 df-top 14748 df-topon 14761 df-bases 14793 df-ntr 14846 df-cn 14938 df-cnp 14939 df-tx 15003 df-cncf 15321 df-limced 15406 df-dvap 15407 |
| This theorem is referenced by: picn 15537 pipos 15538 pirp 15539 sinhalfpilem 15541 halfpire 15542 sincosq1lem 15575 sincosq2sgn 15577 sincosq3sgn 15578 sincosq4sgn 15579 sinq12gt0 15580 sinq34lt0t 15581 cosq14gt0 15582 cosq23lt0 15583 coseq00topi 15585 coseq0negpitopi 15586 tangtx 15588 sincos4thpi 15590 tan4thpi 15591 sincos6thpi 15592 pigt3 15594 pige3 15595 coskpi 15598 cosordlem 15599 cosq34lt1 15600 cos02pilt1 15601 cos0pilt1 15602 cos11 15603 ioocosf1o 15604 negpitopissre 15605 rpabscxpbnd 15690 taupi 16740 |
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