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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 12409 | . 2 ⊢ 1 < 2 | |
| 2 | 2lt3 12410 | . 2 ⊢ 2 < 3 | |
| 3 | 1re 11204 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2re 12311 | . . 3 ⊢ 2 ∈ ℝ | |
| 5 | 3re 12317 | . . 3 ⊢ 3 ∈ ℝ | |
| 6 | 3, 4, 5 | lttri 11332 | . 2 ⊢ ((1 < 2 ∧ 2 < 3) → 1 < 3) |
| 7 | 1, 2, 6 | mp2an 704 | 1 ⊢ 1 < 3 |
| Colors of variables: wff setvar class |
| Syntax hints: class class class wbr 5110 1c1 11097 < clt 11239 2c2 12291 3c3 12292 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5258 ax-nul 5268 ax-pow 5334 ax-pr 5402 ax-un 7730 ax-resscn 11153 ax-1cn 11154 ax-icn 11155 ax-addcl 11156 ax-addrcl 11157 ax-mulcl 11158 ax-mulrcl 11159 ax-mulcom 11160 ax-addass 11161 ax-mulass 11162 ax-distr 11163 ax-i2m1 11164 ax-1ne0 11165 ax-1rid 11166 ax-rnegex 11167 ax-rrecex 11168 ax-cnre 11169 ax-pre-lttri 11170 ax-pre-lttrn 11171 ax-pre-ltadd 11172 ax-pre-mulgt0 11173 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5554 df-po 5567 df-so 5568 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6490 df-fun 6536 df-fn 6537 df-f 6538 df-f1 6539 df-fo 6540 df-f1o 6541 df-fv 6542 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11241 df-mnf 11242 df-xr 11243 df-ltxr 11244 df-le 11245 df-sub 11439 df-neg 11440 df-2 12299 df-3 12300 |
| This theorem is referenced by: 1le3 12451 fztpval 13610 fvf1tp 13818 expnass 14240 tpf1ofv1 14530 tpfo 14533 s4fv1 14929 f1oun2prg 14950 sin01gt0 16242 rpnnen2lem3 16268 rpnnen2lem9 16274 3prm 16748 6nprm 17165 7prm 17166 9nprm 17168 13prm 17172 19prm 17174 prmlem2 17176 37prm 17177 43prm 17178 139prm 17180 163prm 17181 631prm 17183 basendxnmulrndx 17345 log2cnv 27071 cxploglim2 27105 2lgslem3 27530 dchrvmasumlem2 27624 pntibndlem1 27715 tgcgr4 28762 axlowdimlem16 29244 usgrexmpldifpr 29545 upgr3v3e3cycl 30468 upgr4cycl4dv4e 30473 konigsberglem2 30541 konigsberglem3 30542 konigsberglem5 30544 frgrogt3nreg 30685 ex-dif 30711 ex-pss 30716 ex-res 30729 evl1deg3 33809 2sqr3minply 34111 cos9thpiminplylem3 34115 cos9thpiminply 34119 aks4d1p1p3 42721 aks4d1p1p2 42722 aks4d1p1p4 42723 aks4d1p3 42730 aks5lem8 42853 acos1half 43004 rabren3dioph 43429 jm2.23 43610 stoweidlem34 46635 stoweidlem42 46643 smfmullem4 47395 fmtno4prmfac193 48209 3ndvds4 48231 127prm 48235 nnsum4primesodd 48445 nnsum4primesoddALTV 48446 usgrexmpl1lem 48670 usgrexmpl2lem 48675 usgrexmpl2nb1 48681 usgrexmpl2nb3 48683 usgrexmpl2trifr 48686 gpg5grlim 48742 gpg5grlic 48743 sepfsepc 49586 |
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