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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 12384 | . 2 ⊢ 1 < 2 | |
| 2 | 2lt3 12385 | . 2 ⊢ 2 < 3 | |
| 3 | 1re 11175 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2re 12286 | . . 3 ⊢ 2 ∈ ℝ | |
| 5 | 3re 12292 | . . 3 ⊢ 3 ∈ ℝ | |
| 6 | 3, 4, 5 | lttri 11303 | . 2 ⊢ ((1 < 2 ∧ 2 < 3) → 1 < 3) |
| 7 | 1, 2, 6 | mp2an 702 | 1 ⊢ 1 < 3 |
| Colors of variables: wff setvar class |
| Syntax hints: class class class wbr 5097 1c1 11068 < clt 11210 2c2 12266 3c3 12267 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 ax-un 7713 ax-resscn 11124 ax-1cn 11125 ax-icn 11126 ax-addcl 11127 ax-addrcl 11128 ax-mulcl 11129 ax-mulrcl 11130 ax-mulcom 11131 ax-addass 11132 ax-mulass 11133 ax-distr 11134 ax-i2m1 11135 ax-1ne0 11136 ax-1rid 11137 ax-rnegex 11138 ax-rrecex 11139 ax-cnre 11140 ax-pre-lttri 11141 ax-pre-lttrn 11142 ax-pre-ltadd 11143 ax-pre-mulgt0 11144 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-br 5098 df-opab 5160 df-mpt 5179 df-id 5538 df-po 5551 df-so 5552 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-iota 6472 df-fun 6518 df-fn 6519 df-f 6520 df-f1 6521 df-fo 6522 df-f1o 6523 df-fv 6524 df-riota 7348 df-ov 7394 df-oprab 7395 df-mpo 7396 df-er 8672 df-en 8922 df-dom 8923 df-sdom 8924 df-pnf 11212 df-mnf 11213 df-xr 11214 df-ltxr 11215 df-le 11216 df-sub 11410 df-neg 11411 df-2 12274 df-3 12275 |
| This theorem is referenced by: 1le3 12426 fztpval 13585 fvf1tp 13793 expnass 14215 tpf1ofv1 14504 tpfo 14507 s4fv1 14903 f1oun2prg 14924 sin01gt0 16213 rpnnen2lem3 16239 rpnnen2lem9 16245 3prm 16719 6nprm 17136 7prm 17137 9nprm 17139 13prm 17143 19prm 17145 prmlem2 17147 37prm 17148 43prm 17149 139prm 17151 163prm 17152 631prm 17154 basendxnmulrndx 17316 log2cnv 26997 cxploglim2 27031 2lgslem3 27456 dchrvmasumlem2 27550 pntibndlem1 27641 tgcgr4 28688 axlowdimlem16 29115 usgrexmpldifpr 29416 upgr3v3e3cycl 30339 upgr4cycl4dv4e 30344 konigsberglem2 30412 konigsberglem3 30413 konigsberglem5 30415 frgrogt3nreg 30556 ex-dif 30582 ex-pss 30587 ex-res 30600 evl1deg3 33735 2sqr3minply 34038 cos9thpiminplylem3 34042 cos9thpiminply 34046 aks4d1p1p3 42647 aks4d1p1p2 42648 aks4d1p1p4 42649 aks4d1p3 42656 aks5lem8 42779 acos1half 42928 rabren3dioph 43353 jm2.23 43534 stoweidlem34 46569 stoweidlem42 46577 smfmullem4 47329 fmtno4prmfac193 48143 3ndvds4 48165 127prm 48169 nnsum4primesodd 48379 nnsum4primesoddALTV 48380 usgrexmpl1lem 48604 usgrexmpl2lem 48609 usgrexmpl2nb1 48615 usgrexmpl2nb3 48617 usgrexmpl2trifr 48620 gpg5grlim 48676 gpg5grlic 48677 sepfsepc 49510 |
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