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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 12323 | . 2 ⊢ 1 < 2 | |
| 2 | 2lt3 12324 | . 2 ⊢ 2 < 3 | |
| 3 | 1re 11144 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2re 12231 | . . 3 ⊢ 2 ∈ ℝ | |
| 5 | 3re 12237 | . . 3 ⊢ 3 ∈ ℝ | |
| 6 | 3, 4, 5 | lttri 11271 | . 2 ⊢ ((1 < 2 ∧ 2 < 3) → 1 < 3) |
| 7 | 1, 2, 6 | mp2an 693 | 1 ⊢ 1 < 3 |
| Colors of variables: wff setvar class |
| Syntax hints: class class class wbr 5100 1c1 11039 < clt 11178 2c2 12212 3c3 12213 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-po 5540 df-so 5541 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-2 12220 df-3 12221 |
| This theorem is referenced by: 1le3 12364 fztpval 13514 fvf1tp 13721 expnass 14143 tpf1ofv1 14432 tpfo 14435 s4fv1 14831 f1oun2prg 14852 sin01gt0 16127 rpnnen2lem3 16153 rpnnen2lem9 16159 3prm 16633 6nprm 17049 7prm 17050 9nprm 17052 13prm 17055 19prm 17057 prmlem2 17059 37prm 17060 43prm 17061 139prm 17063 163prm 17064 631prm 17066 basendxnmulrndx 17228 log2cnv 26922 cxploglim2 26957 2lgslem3 27383 dchrvmasumlem2 27477 pntibndlem1 27568 tgcgr4 28615 axlowdimlem16 29042 usgrexmpldifpr 29343 upgr3v3e3cycl 30267 upgr4cycl4dv4e 30272 konigsberglem2 30340 konigsberglem3 30341 konigsberglem5 30343 frgrogt3nreg 30484 ex-dif 30510 ex-pss 30515 ex-res 30528 evl1deg3 33671 2sqr3minply 33958 cos9thpiminplylem3 33962 cos9thpiminply 33966 aks4d1p1p3 42439 aks4d1p1p2 42440 aks4d1p1p4 42441 aks4d1p3 42448 aks5lem8 42571 acos1half 42728 rabren3dioph 43172 jm2.23 43353 stoweidlem34 46392 stoweidlem42 46400 smfmullem4 47152 fmtno4prmfac193 47933 3ndvds4 47955 127prm 47959 nnsum4primesodd 48156 nnsum4primesoddALTV 48157 usgrexmpl1lem 48381 usgrexmpl2lem 48386 usgrexmpl2nb1 48392 usgrexmpl2nb3 48394 usgrexmpl2trifr 48397 gpg5grlim 48453 gpg5grlic 48454 sepfsepc 49287 |
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