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Mirrors > Home > ILE Home > Th. List > 2logb3irr | Unicode version |
Description: Example for logbprmirr 13331. The logarithm of three to base two is not rational. (Contributed by AV, 31-Dec-2022.) |
Ref | Expression |
---|---|
2logb3irr | logb |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3prm 12009 | . 2 | |
2 | 2prm 12008 | . 2 | |
3 | 2re 8904 | . . 3 | |
4 | 2lt3 9004 | . . 3 | |
5 | 3, 4 | gtneii 7973 | . 2 |
6 | logbprmirr 13331 | . 2 logb | |
7 | 1, 2, 5, 6 | mp3an 1319 | 1 logb |
Colors of variables: wff set class |
Syntax hints: wcel 2128 wne 2327 cdif 3099 (class class class)co 5825 cr 7732 c2 8885 c3 8886 cq 9529 cprime 11988 logb clogb 13302 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-10 1485 ax-11 1486 ax-i12 1487 ax-bndl 1489 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-13 2130 ax-14 2131 ax-ext 2139 ax-coll 4080 ax-sep 4083 ax-nul 4091 ax-pow 4136 ax-pr 4170 ax-un 4394 ax-setind 4497 ax-iinf 4548 ax-cnex 7824 ax-resscn 7825 ax-1cn 7826 ax-1re 7827 ax-icn 7828 ax-addcl 7829 ax-addrcl 7830 ax-mulcl 7831 ax-mulrcl 7832 ax-addcom 7833 ax-mulcom 7834 ax-addass 7835 ax-mulass 7836 ax-distr 7837 ax-i2m1 7838 ax-0lt1 7839 ax-1rid 7840 ax-0id 7841 ax-rnegex 7842 ax-precex 7843 ax-cnre 7844 ax-pre-ltirr 7845 ax-pre-ltwlin 7846 ax-pre-lttrn 7847 ax-pre-apti 7848 ax-pre-ltadd 7849 ax-pre-mulgt0 7850 ax-pre-mulext 7851 ax-arch 7852 ax-caucvg 7853 ax-pre-suploc 7854 ax-addf 7855 ax-mulf 7856 |
This theorem depends on definitions: df-bi 116 df-stab 817 df-dc 821 df-3or 964 df-3an 965 df-tru 1338 df-fal 1341 df-nf 1441 df-sb 1743 df-eu 2009 df-mo 2010 df-clab 2144 df-cleq 2150 df-clel 2153 df-nfc 2288 df-ne 2328 df-nel 2423 df-ral 2440 df-rex 2441 df-reu 2442 df-rmo 2443 df-rab 2444 df-v 2714 df-sbc 2938 df-csb 3032 df-dif 3104 df-un 3106 df-in 3108 df-ss 3115 df-nul 3395 df-if 3506 df-pw 3545 df-sn 3566 df-pr 3567 df-op 3569 df-uni 3774 df-int 3809 df-iun 3852 df-disj 3944 df-br 3967 df-opab 4027 df-mpt 4028 df-tr 4064 df-id 4254 df-po 4257 df-iso 4258 df-iord 4327 df-on 4329 df-ilim 4330 df-suc 4332 df-iom 4551 df-xp 4593 df-rel 4594 df-cnv 4595 df-co 4596 df-dm 4597 df-rn 4598 df-res 4599 df-ima 4600 df-iota 5136 df-fun 5173 df-fn 5174 df-f 5175 df-f1 5176 df-fo 5177 df-f1o 5178 df-fv 5179 df-isom 5180 df-riota 5781 df-ov 5828 df-oprab 5829 df-mpo 5830 df-of 6033 df-1st 6089 df-2nd 6090 df-recs 6253 df-irdg 6318 df-frec 6339 df-1o 6364 df-2o 6365 df-oadd 6368 df-er 6481 df-map 6596 df-pm 6597 df-en 6687 df-dom 6688 df-fin 6689 df-sup 6929 df-inf 6930 df-pnf 7915 df-mnf 7916 df-xr 7917 df-ltxr 7918 df-le 7919 df-sub 8049 df-neg 8050 df-reap 8451 df-ap 8458 df-div 8547 df-inn 8835 df-2 8893 df-3 8894 df-4 8895 df-n0 9092 df-z 9169 df-uz 9441 df-q 9530 df-rp 9562 df-xneg 9680 df-xadd 9681 df-ioo 9797 df-ico 9799 df-icc 9800 df-fz 9914 df-fzo 10046 df-fl 10173 df-mod 10226 df-seqfrec 10349 df-exp 10423 df-fac 10604 df-bc 10626 df-ihash 10654 df-shft 10719 df-cj 10746 df-re 10747 df-im 10748 df-rsqrt 10902 df-abs 10903 df-clim 11180 df-sumdc 11255 df-ef 11549 df-e 11550 df-dvds 11688 df-gcd 11834 df-prm 11989 df-rest 12395 df-topgen 12414 df-psmet 12429 df-xmet 12430 df-met 12431 df-bl 12432 df-mopn 12433 df-top 12438 df-topon 12451 df-bases 12483 df-ntr 12538 df-cn 12630 df-cnp 12631 df-tx 12695 df-cncf 13000 df-limced 13067 df-dvap 13068 df-relog 13221 df-rpcxp 13222 df-logb 13303 |
This theorem is referenced by: 2logb9irrALT 13333 |
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