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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 15497 | . . 3 ⊢ (π ∈ (2(,)4) ∧ (sin‘π) = 0) | |
| 2 | 1 | simpli 111 | . 2 ⊢ π ∈ (2(,)4) |
| 3 | elioore 10137 | . 2 ⊢ (π ∈ (2(,)4) → π ∈ ℝ) | |
| 4 | 2, 3 | ax-mp 5 | 1 ⊢ π ∈ ℝ |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1395 ∈ wcel 2200 ‘cfv 5324 (class class class)co 6013 ℝcr 8021 0cc0 8022 2c2 9184 4c4 9186 (,)cioo 10113 sincsin 12195 πcpi 12198 |
| 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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4202 ax-sep 4205 ax-nul 4213 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-iinf 4684 ax-cnex 8113 ax-resscn 8114 ax-1cn 8115 ax-1re 8116 ax-icn 8117 ax-addcl 8118 ax-addrcl 8119 ax-mulcl 8120 ax-mulrcl 8121 ax-addcom 8122 ax-mulcom 8123 ax-addass 8124 ax-mulass 8125 ax-distr 8126 ax-i2m1 8127 ax-0lt1 8128 ax-1rid 8129 ax-0id 8130 ax-rnegex 8131 ax-precex 8132 ax-cnre 8133 ax-pre-ltirr 8134 ax-pre-ltwlin 8135 ax-pre-lttrn 8136 ax-pre-apti 8137 ax-pre-ltadd 8138 ax-pre-mulgt0 8139 ax-pre-mulext 8140 ax-arch 8141 ax-caucvg 8142 ax-pre-suploc 8143 ax-addf 8144 ax-mulf 8145 |
| This theorem depends on definitions: df-bi 117 df-stab 836 df-dc 840 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rmo 2516 df-rab 2517 df-v 2802 df-sbc 3030 df-csb 3126 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-nul 3493 df-if 3604 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-int 3927 df-iun 3970 df-disj 4063 df-br 4087 df-opab 4149 df-mpt 4150 df-tr 4186 df-id 4388 df-po 4391 df-iso 4392 df-iord 4461 df-on 4463 df-ilim 4464 df-suc 4466 df-iom 4687 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-rn 4734 df-res 4735 df-ima 4736 df-iota 5284 df-fun 5326 df-fn 5327 df-f 5328 df-f1 5329 df-fo 5330 df-f1o 5331 df-fv 5332 df-isom 5333 df-riota 5966 df-ov 6016 df-oprab 6017 df-mpo 6018 df-of 6230 df-1st 6298 df-2nd 6299 df-recs 6466 df-irdg 6531 df-frec 6552 df-1o 6577 df-oadd 6581 df-er 6697 df-map 6814 df-pm 6815 df-en 6905 df-dom 6906 df-fin 6907 df-sup 7174 df-inf 7175 df-pnf 8206 df-mnf 8207 df-xr 8208 df-ltxr 8209 df-le 8210 df-sub 8342 df-neg 8343 df-reap 8745 df-ap 8752 df-div 8843 df-inn 9134 df-2 9192 df-3 9193 df-4 9194 df-5 9195 df-6 9196 df-7 9197 df-8 9198 df-9 9199 df-n0 9393 df-z 9470 df-uz 9746 df-q 9844 df-rp 9879 df-xneg 9997 df-xadd 9998 df-ioo 10117 df-ioc 10118 df-ico 10119 df-icc 10120 df-fz 10234 df-fzo 10368 df-seqfrec 10700 df-exp 10791 df-fac 10978 df-bc 11000 df-ihash 11028 df-shft 11366 df-cj 11393 df-re 11394 df-im 11395 df-rsqrt 11549 df-abs 11550 df-clim 11830 df-sumdc 11905 df-ef 12199 df-sin 12201 df-cos 12202 df-pi 12204 df-rest 13314 df-topgen 13333 df-psmet 14547 df-xmet 14548 df-met 14549 df-bl 14550 df-mopn 14551 df-top 14712 df-topon 14725 df-bases 14757 df-ntr 14810 df-cn 14902 df-cnp 14903 df-tx 14967 df-cncf 15285 df-limced 15370 df-dvap 15371 |
| This theorem is referenced by: picn 15501 pipos 15502 pirp 15503 sinhalfpilem 15505 halfpire 15506 sincosq1lem 15539 sincosq2sgn 15541 sincosq3sgn 15542 sincosq4sgn 15543 sinq12gt0 15544 sinq34lt0t 15545 cosq14gt0 15546 cosq23lt0 15547 coseq00topi 15549 coseq0negpitopi 15550 tangtx 15552 sincos4thpi 15554 tan4thpi 15555 sincos6thpi 15556 pigt3 15558 pige3 15559 coskpi 15562 cosordlem 15563 cosq34lt1 15564 cos02pilt1 15565 cos0pilt1 15566 cos11 15567 ioocosf1o 15568 negpitopissre 15569 rpabscxpbnd 15654 taupi 16596 |
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