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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 12311 | . 2 ⊢ 1 < 2 | |
| 2 | 2lt3 12312 | . 2 ⊢ 2 < 3 | |
| 3 | 1re 11132 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2re 12219 | . . 3 ⊢ 2 ∈ ℝ | |
| 5 | 3re 12225 | . . 3 ⊢ 3 ∈ ℝ | |
| 6 | 3, 4, 5 | lttri 11259 | . 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 5098 1c1 11027 < clt 11166 2c2 12200 3c3 12201 |
| 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 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 ax-pre-mulgt0 11103 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-po 5532 df-so 5533 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-er 8635 df-en 8884 df-dom 8885 df-sdom 8886 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 df-sub 11366 df-neg 11367 df-2 12208 df-3 12209 |
| This theorem is referenced by: 1le3 12352 fztpval 13502 fvf1tp 13709 expnass 14131 tpf1ofv1 14420 tpfo 14423 s4fv1 14819 f1oun2prg 14840 sin01gt0 16115 rpnnen2lem3 16141 rpnnen2lem9 16147 3prm 16621 6nprm 17037 7prm 17038 9nprm 17040 13prm 17043 19prm 17045 prmlem2 17047 37prm 17048 43prm 17049 139prm 17051 163prm 17052 631prm 17054 basendxnmulrndx 17216 log2cnv 26910 cxploglim2 26945 2lgslem3 27371 dchrvmasumlem2 27465 pntibndlem1 27556 tgcgr4 28603 axlowdimlem16 29030 usgrexmpldifpr 29331 upgr3v3e3cycl 30255 upgr4cycl4dv4e 30260 konigsberglem2 30328 konigsberglem3 30329 konigsberglem5 30331 frgrogt3nreg 30472 ex-dif 30498 ex-pss 30503 ex-res 30516 evl1deg3 33659 2sqr3minply 33937 cos9thpiminplylem3 33941 cos9thpiminply 33945 aks4d1p1p3 42323 aks4d1p1p2 42324 aks4d1p1p4 42325 aks4d1p3 42332 aks5lem8 42455 acos1half 42613 rabren3dioph 43057 jm2.23 43238 stoweidlem34 46278 stoweidlem42 46286 smfmullem4 47038 fmtno4prmfac193 47819 3ndvds4 47841 127prm 47845 nnsum4primesodd 48042 nnsum4primesoddALTV 48043 usgrexmpl1lem 48267 usgrexmpl2lem 48272 usgrexmpl2nb1 48278 usgrexmpl2nb3 48280 usgrexmpl2trifr 48283 gpg5grlim 48339 gpg5grlic 48340 sepfsepc 49173 |
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