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Mirrors > Home > MPE Home > Th. List > 1lt3 | Structured version Visualization version GIF version |
Description: 1 is less than 3. (Contributed by NM, 26-Sep-2010.) |
Ref | Expression |
---|---|
1lt3 | ⊢ 1 < 3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1lt2 11796 | . 2 ⊢ 1 < 2 | |
2 | 2lt3 11797 | . 2 ⊢ 2 < 3 | |
3 | 1re 10630 | . . 3 ⊢ 1 ∈ ℝ | |
4 | 2re 11699 | . . 3 ⊢ 2 ∈ ℝ | |
5 | 3re 11705 | . . 3 ⊢ 3 ∈ ℝ | |
6 | 3, 4, 5 | lttri 10755 | . 2 ⊢ ((1 < 2 ∧ 2 < 3) → 1 < 3) |
7 | 1, 2, 6 | mp2an 691 | 1 ⊢ 1 < 3 |
Colors of variables: wff setvar class |
Syntax hints: class class class wbr 5030 1c1 10527 < clt 10664 2c2 11680 3c3 11681 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 ax-pre-mulgt0 10603 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-po 5438 df-so 5439 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-2 11688 df-3 11689 |
This theorem is referenced by: 1le3 11837 fztpval 12964 expnass 13566 s4fv1 14249 f1oun2prg 14270 sin01gt0 15535 rpnnen2lem3 15561 rpnnen2lem9 15567 3prm 16028 6nprm 16435 7prm 16436 9nprm 16438 13prm 16441 19prm 16443 prmlem2 16445 37prm 16446 43prm 16447 139prm 16449 163prm 16450 631prm 16452 basendxnmulrndx 16610 ressmulr 16617 opprbas 19375 log2cnv 25530 cxploglim2 25564 2lgslem3 25988 dchrvmasumlem2 26082 pntibndlem1 26173 tgcgr4 26325 axlowdimlem16 26751 usgrexmpldifpr 27048 upgr3v3e3cycl 27965 upgr4cycl4dv4e 27970 konigsberglem2 28038 konigsberglem3 28039 konigsberglem5 28041 frgrogt3nreg 28182 ex-dif 28208 ex-pss 28213 ex-res 28226 rabren3dioph 39756 jm2.23 39937 mnringbased 40923 stoweidlem34 42676 stoweidlem42 42684 smfmullem4 43426 fmtno4prmfac193 44090 3ndvds4 44112 127prm 44116 nnsum4primesodd 44314 nnsum4primesoddALTV 44315 |
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