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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 15934 | . . 3 ⊢ (π ∈ (2(,)4) ∧ (sin‘π) = 0) | |
| 2 | 1 | simpli 111 | . 2 ⊢ π ∈ (2(,)4) |
| 3 | elioore 10324 | . 2 ⊢ (π ∈ (2(,)4) → π ∈ ℝ) | |
| 4 | 2, 3 | ax-mp 5 | 1 ⊢ π ∈ ℝ |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: = wceq 1402 ∈ wcel 2209 ‘cfv 5377 (class class class)co 6085 ℝcr 8178 0cc0 8179 2c2 9357 4c4 9359 (,)cioo 10300 sincsin 12427 πcpi 12430 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4246 ax-sep 4249 ax-nul 4259 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-iinf 4735 ax-cnex 8270 ax-resscn 8271 ax-1cn 8272 ax-1re 8273 ax-icn 8274 ax-addcl 8275 ax-addrcl 8276 ax-mulcl 8277 ax-mulrcl 8278 ax-addcom 8279 ax-mulcom 8280 ax-addass 8281 ax-mulass 8282 ax-distr 8283 ax-i2m1 8284 ax-0lt1 8285 ax-1rid 8286 ax-0id 8287 ax-rnegex 8288 ax-precex 8289 ax-cnre 8290 ax-pre-ltirr 8291 ax-pre-ltwlin 8292 ax-pre-lttrn 8293 ax-pre-apti 8294 ax-pre-ltadd 8295 ax-pre-mulgt0 8296 ax-pre-mulext 8297 ax-arch 8298 ax-caucvg 8299 ax-pre-suploc 8300 ax-addf 8301 ax-mulf 8302 |
| This proof depends on definitions: df-bi 117 df-stab 843 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3639 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-disj 4107 df-br 4131 df-opab 4193 df-mpt 4194 df-tr 4230 df-id 4438 df-po 4441 df-iso 4442 df-iord 4511 df-on 4513 df-ilim 4514 df-suc 4516 df-iom 4738 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-f1 5382 df-fo 5383 df-f1o 5384 df-fv 5385 df-isom 5386 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-of 6302 df-1st 6374 df-2nd 6375 df-recs 6576 df-irdg 6641 df-frec 6662 df-1o 6687 df-oadd 6691 df-er 6807 df-map 6924 df-pm 6925 df-en 7023 df-dom 7024 df-fin 7025 df-sup 7324 df-inf 7325 df-pnf 8362 df-mnf 8363 df-xr 8364 df-ltxr 8365 df-le 8366 df-sub 8500 df-neg 8501 df-reap 8905 df-ap 8912 df-div 9005 df-inn 9307 df-2 9365 df-3 9366 df-4 9367 df-5 9368 df-6 9369 df-7 9370 df-8 9371 df-9 9372 df-n0 9568 df-z 9649 df-uz 9931 df-q 10029 df-rp 10065 df-xneg 10184 df-xadd 10185 df-ioo 10304 df-ioc 10305 df-ico 10306 df-icc 10307 df-fz 10422 df-fzo 10560 df-seqfrec 10898 df-exp 10989 df-fac 11178 df-bc 11200 df-ihash 11229 df-shft 11594 df-cj 11621 df-re 11622 df-im 11623 df-rsqrt 11778 df-abs 11779 df-clim 12061 df-sumdc 12136 df-ef 12431 df-sin 12433 df-cos 12434 df-pi 12436 df-rest 13644 df-topgen 13663 df-psmet 14929 df-xmet 14930 df-met 14931 df-bl 14932 df-mopn 14933 df-top 15148 df-topon 15161 df-bases 15193 df-ntr 15246 df-cn 15338 df-cnp 15339 df-tx 15403 df-cncf 15721 df-limced 15806 df-dvap 15807 |
| This theorem is used by: picn 15938 pipos 15939 pirp 15940 sinhalfpilem 15942 halfpire 15943 sincosq1lem 15976 sincosq2sgn 15978 sincosq3sgn 15979 sincosq4sgn 15980 sinq12gt0 15981 sinq34lt0t 15982 cosq14gt0 15983 cosq23lt0 15984 coseq00topi 15986 coseq0negpitopi 15987 tangtx 15989 sincos4thpi 15991 tan4thpi 15992 sincos6thpi 15993 pigt3 15995 pige3 15996 coskpi 15999 cosordlem 16000 cosq34lt1 16001 cos02pilt1 16002 cos0pilt1 16003 cos11 16004 ioocosf1o 16005 negpitopissre 16006 rpabscxpbnd 16095 taupi 17221 |
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