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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 12424 | . 2 ⊢ 1 < 2 | |
| 2 | 2lt3 12425 | . 2 ⊢ 2 < 3 | |
| 3 | 1re 11219 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2re 12326 | . . 3 ⊢ 2 ∈ ℝ | |
| 5 | 3re 12332 | . . 3 ⊢ 3 ∈ ℝ | |
| 6 | 3, 4, 5 | lttri 11347 | . 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 5111 1c1 11112 < clt 11254 2c2 12306 3c3 12307 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7738 ax-resscn 11168 ax-1cn 11169 ax-icn 11170 ax-addcl 11171 ax-addrcl 11172 ax-mulcl 11173 ax-mulrcl 11174 ax-mulcom 11175 ax-addass 11176 ax-mulass 11177 ax-distr 11178 ax-i2m1 11179 ax-1ne0 11180 ax-1rid 11181 ax-rnegex 11182 ax-rrecex 11183 ax-cnre 11184 ax-pre-lttri 11185 ax-pre-lttrn 11186 ax-pre-ltadd 11187 ax-pre-mulgt0 11188 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-po 5571 df-so 5572 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-er 8696 df-en 8946 df-dom 8947 df-sdom 8948 df-pnf 11256 df-mnf 11257 df-xr 11258 df-ltxr 11259 df-le 11260 df-sub 11454 df-neg 11455 df-2 12314 df-3 12315 |
| This theorem is used by: 1le3 12466 fztpval 13627 fvf1tp 13836 expnass 14258 tpf1ofv1 14548 tpfo 14551 s4fv1 14953 f1oun2prg 14974 sin01gt0 16264 rpnnen2lem3 16290 rpnnen2lem9 16296 3prm 16770 6nprm 17187 7prm 17188 9nprm 17190 13prm 17194 19prm 17196 prmlem2 17198 37prm 17199 43prm 17200 139prm 17202 163prm 17203 631prm 17205 basendxnmulrndx 17367 log2cnv 27140 cxploglim2 27174 2lgslem3 27599 dchrvmasumlem2 27693 pntibndlem1 27784 tgcgr4 28831 axlowdimlem16 29338 usgrexmpldifpr 29642 upgr3v3e3cycl 30578 upgr4cycl4dv4e 30583 konigsberglem2 30651 konigsberglem3 30652 konigsberglem5 30654 frgrogt3nreg 30795 ex-dif 30821 ex-pss 30826 ex-res 30839 evl1deg3 33908 2sqr3minply 34210 cos9thpiminplylem3 34214 cos9thpiminply 34218 aks4d1p1p3 42869 aks4d1p1p2 42870 aks4d1p1p4 42871 aks4d1p3 42878 aks5lem8 43001 acos1half 43152 rabren3dioph 43575 jm2.23 43756 stoweidlem34 46781 stoweidlem42 46789 smfmullem4 47541 fmtno4prmfac193 48358 3ndvds4 48380 127prm 48384 nnsum4primesodd 48594 nnsum4primesoddALTV 48595 usgrexmpl1lem 48819 usgrexmpl2lem 48824 usgrexmpl2nb1 48830 usgrexmpl2nb3 48832 usgrexmpl2trifr 48835 gpg5grlim 48891 gpg5grlic 48892 sepfsepc 49739 1ne3 50656 |
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