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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 12520 | . 2 ⊢ 1 < 2 | |
| 2 | 2lt3 12521 | . 2 ⊢ 2 < 3 | |
| 3 | 1re 11313 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2re 12422 | . . 3 ⊢ 2 ∈ ℝ | |
| 5 | 3re 12428 | . . 3 ⊢ 3 ∈ ℝ | |
| 6 | 3, 4, 5 | lttri 11441 | . 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 5102 1c1 11206 < clt 11348 2c2 12402 3c3 12403 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7753 ax-resscn 11262 ax-1cn 11263 ax-icn 11264 ax-addcl 11265 ax-addrcl 11266 ax-mulcl 11267 ax-mulrcl 11268 ax-mulcom 11269 ax-addass 11270 ax-mulass 11271 ax-distr 11272 ax-i2m1 11273 ax-1ne0 11274 ax-1rid 11275 ax-rnegex 11276 ax-rrecex 11277 ax-cnre 11278 ax-pre-lttri 11279 ax-pre-lttrn 11280 ax-pre-ltadd 11281 ax-pre-mulgt0 11282 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 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 3739 df-csb 3848 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-po 5558 df-so 5559 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6496 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-riota 7379 df-ov 7425 df-oprab 7426 df-mpo 7427 df-er 8722 df-en 8979 df-dom 8980 df-sdom 8981 df-pnf 11350 df-mnf 11351 df-xr 11352 df-ltxr 11353 df-le 11354 df-sub 11548 df-neg 11549 df-2 12410 df-3 12411 |
| This theorem is used by: 1le3 12562 fztpval 13725 fvf1tp 13934 expnass 14357 tpf1ofv1 14647 tpfo 14650 s4fv1 15054 f1oun2prg 15075 sin01gt0 16365 rpnnen2lem3 16391 rpnnen2lem9 16397 3prm 16876 6nprm 17294 7prm 17295 9nprm 17297 13prm 17301 19prm 17303 prmlem2 17305 37prm 17306 43prm 17307 139prm 17309 163prm 17310 631prm 17312 basendxnmulrndx 17474 log2cnv 27279 cxploglim2 27313 2lgslem3 27738 dchrvmasumlem2 27832 pntibndlem1 27923 tgcgr4 29001 axlowdimlem16 29542 usgrexmpldifpr 29846 upgr3v3e3cycl 30788 upgr4cycl4dv4e 30793 konigsberglem2 30861 konigsberglem3 30862 konigsberglem5 30864 frgrogt3nreg 31005 ex-dif 31031 ex-pss 31036 ex-res 31049 evl1deg3 34158 2sqr3minply 34460 cos9thpiminplylem3 34464 cos9thpiminply 34468 aks4d1p1p3 43226 aks4d1p1p2 43227 aks4d1p1p4 43228 aks4d1p3 43235 aks5lem8 43358 acos1half 43516 rabren3dioph 43929 jm2.23 44110 stoweidlem34 47151 stoweidlem42 47159 smfmullem4 47911 fmtno4prmfac193 48765 3ndvds4 48787 127prm 48791 nnsum4primesodd 49001 nnsum4primesoddALTV 49002 usgrexmpl1lem 49226 usgrexmpl2lem 49231 usgrexmpl2nb1 49237 usgrexmpl2nb3 49239 usgrexmpl2trifr 49242 gpg5grlim 49298 gpg5grlic 49299 sepfsepc 50149 1ne3 51123 |
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