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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 12437 | . 2 ⊢ 1 < 2 | |
| 2 | 2lt3 12438 | . 2 ⊢ 2 < 3 | |
| 3 | 1re 11232 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2re 12339 | . . 3 ⊢ 2 ∈ ℝ | |
| 5 | 3re 12345 | . . 3 ⊢ 3 ∈ ℝ | |
| 6 | 3, 4, 5 | lttri 11360 | . 2 ⊢ ((1 < 2 ∧ 2 < 3) → 1 < 3) |
| 7 | 1, 2, 6 | mp2an 705 | 1 ⊢ 1 < 3 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: class class class wbr 5103 1c1 11125 < clt 11267 2c2 12319 3c3 12320 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7736 ax-resscn 11181 ax-1cn 11182 ax-icn 11183 ax-addcl 11184 ax-addrcl 11185 ax-mulcl 11186 ax-mulrcl 11187 ax-mulcom 11188 ax-addass 11189 ax-mulass 11190 ax-distr 11191 ax-i2m1 11192 ax-1ne0 11193 ax-1rid 11194 ax-rnegex 11195 ax-rrecex 11196 ax-cnre 11197 ax-pre-lttri 11198 ax-pre-lttrn 11199 ax-pre-ltadd 11200 ax-pre-mulgt0 11201 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-po 5563 df-so 5564 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-er 8696 df-en 8953 df-dom 8954 df-sdom 8955 df-pnf 11269 df-mnf 11270 df-xr 11271 df-ltxr 11272 df-le 11273 df-sub 11467 df-neg 11468 df-2 12327 df-3 12328 |
| This theorem is used by: 1le3 12479 fztpval 13641 fvf1tp 13850 expnass 14272 tpf1ofv1 14562 tpfo 14565 s4fv1 14967 f1oun2prg 14988 sin01gt0 16278 rpnnen2lem3 16304 rpnnen2lem9 16310 3prm 16784 6nprm 17201 7prm 17202 9nprm 17204 13prm 17208 19prm 17210 prmlem2 17212 37prm 17213 43prm 17214 139prm 17216 163prm 17217 631prm 17219 basendxnmulrndx 17381 log2cnv 27181 cxploglim2 27215 2lgslem3 27640 dchrvmasumlem2 27734 pntibndlem1 27825 tgcgr4 28873 axlowdimlem16 29414 usgrexmpldifpr 29718 upgr3v3e3cycl 30660 upgr4cycl4dv4e 30665 konigsberglem2 30733 konigsberglem3 30734 konigsberglem5 30736 frgrogt3nreg 30877 ex-dif 30903 ex-pss 30908 ex-res 30921 evl1deg3 33988 2sqr3minply 34290 cos9thpiminplylem3 34294 cos9thpiminply 34298 aks4d1p1p3 42935 aks4d1p1p2 42936 aks4d1p1p4 42937 aks4d1p3 42944 aks5lem8 43067 acos1half 43233 rabren3dioph 43656 jm2.23 43837 stoweidlem34 46862 stoweidlem42 46870 smfmullem4 47622 fmtno4prmfac193 48476 3ndvds4 48498 127prm 48502 nnsum4primesodd 48712 nnsum4primesoddALTV 48713 usgrexmpl1lem 48937 usgrexmpl2lem 48942 usgrexmpl2nb1 48948 usgrexmpl2nb3 48950 usgrexmpl2trifr 48953 gpg5grlim 49009 gpg5grlic 49010 sepfsepc 49854 1ne3 50774 |
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