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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 12298 | . 2 ⊢ 1 < 2 | |
| 2 | 2lt3 12299 | . 2 ⊢ 2 < 3 | |
| 3 | 1re 11119 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2re 12206 | . . 3 ⊢ 2 ∈ ℝ | |
| 5 | 3re 12212 | . . 3 ⊢ 3 ∈ ℝ | |
| 6 | 3, 4, 5 | lttri 11246 | . 2 ⊢ ((1 < 2 ∧ 2 < 3) → 1 < 3) |
| 7 | 1, 2, 6 | mp2an 692 | 1 ⊢ 1 < 3 |
| Colors of variables: wff setvar class |
| Syntax hints: class class class wbr 5093 1c1 11014 < clt 11153 2c2 12187 3c3 12188 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2705 ax-sep 5236 ax-nul 5246 ax-pow 5305 ax-pr 5372 ax-un 7674 ax-resscn 11070 ax-1cn 11071 ax-icn 11072 ax-addcl 11073 ax-addrcl 11074 ax-mulcl 11075 ax-mulrcl 11076 ax-mulcom 11077 ax-addass 11078 ax-mulass 11079 ax-distr 11080 ax-i2m1 11081 ax-1ne0 11082 ax-1rid 11083 ax-rnegex 11084 ax-rrecex 11085 ax-cnre 11086 ax-pre-lttri 11087 ax-pre-lttrn 11088 ax-pre-ltadd 11089 ax-pre-mulgt0 11090 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2725 df-clel 2808 df-nfc 2882 df-ne 2930 df-nel 3034 df-ral 3049 df-rex 3058 df-reu 3348 df-rab 3397 df-v 3439 df-sbc 3738 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-nul 4283 df-if 4475 df-pw 4551 df-sn 4576 df-pr 4578 df-op 4582 df-uni 4859 df-br 5094 df-opab 5156 df-mpt 5175 df-id 5514 df-po 5527 df-so 5528 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-f1 6491 df-fo 6492 df-f1o 6493 df-fv 6494 df-riota 7309 df-ov 7355 df-oprab 7356 df-mpo 7357 df-er 8628 df-en 8876 df-dom 8877 df-sdom 8878 df-pnf 11155 df-mnf 11156 df-xr 11157 df-ltxr 11158 df-le 11159 df-sub 11353 df-neg 11354 df-2 12195 df-3 12196 |
| This theorem is referenced by: 1le3 12339 fztpval 13488 fvf1tp 13695 expnass 14117 tpf1ofv1 14406 tpfo 14409 s4fv1 14805 f1oun2prg 14826 sin01gt0 16101 rpnnen2lem3 16127 rpnnen2lem9 16133 3prm 16607 6nprm 17023 7prm 17024 9nprm 17026 13prm 17029 19prm 17031 prmlem2 17033 37prm 17034 43prm 17035 139prm 17037 163prm 17038 631prm 17040 basendxnmulrndx 17202 log2cnv 26882 cxploglim2 26917 2lgslem3 27343 dchrvmasumlem2 27437 pntibndlem1 27528 tgcgr4 28510 axlowdimlem16 28937 usgrexmpldifpr 29238 upgr3v3e3cycl 30162 upgr4cycl4dv4e 30167 konigsberglem2 30235 konigsberglem3 30236 konigsberglem5 30238 frgrogt3nreg 30379 ex-dif 30405 ex-pss 30410 ex-res 30423 evl1deg3 33548 2sqr3minply 33814 cos9thpiminplylem3 33818 cos9thpiminply 33822 aks4d1p1p3 42182 aks4d1p1p2 42183 aks4d1p1p4 42184 aks4d1p3 42191 aks5lem8 42314 acos1half 42476 rabren3dioph 42932 jm2.23 43113 stoweidlem34 46156 stoweidlem42 46164 smfmullem4 46916 fmtno4prmfac193 47697 3ndvds4 47719 127prm 47723 nnsum4primesodd 47920 nnsum4primesoddALTV 47921 usgrexmpl1lem 48145 usgrexmpl2lem 48150 usgrexmpl2nb1 48156 usgrexmpl2nb3 48158 usgrexmpl2trifr 48161 gpg5grlim 48217 gpg5grlic 48218 sepfsepc 49052 |
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