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Mirrors > Home > MPE Home > Th. List > 3pos | Structured version Visualization version GIF version |
Description: The number 3 is positive. (Contributed by NM, 27-May-1999.) |
Ref | Expression |
---|---|
3pos | ⊢ 0 < 3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2re 11128 | . . 3 ⊢ 2 ∈ ℝ | |
2 | 1re 10077 | . . 3 ⊢ 1 ∈ ℝ | |
3 | 2pos 11150 | . . 3 ⊢ 0 < 2 | |
4 | 0lt1 10588 | . . 3 ⊢ 0 < 1 | |
5 | 1, 2, 3, 4 | addgt0ii 10608 | . 2 ⊢ 0 < (2 + 1) |
6 | df-3 11118 | . 2 ⊢ 3 = (2 + 1) | |
7 | 5, 6 | breqtrri 4712 | 1 ⊢ 0 < 3 |
Colors of variables: wff setvar class |
Syntax hints: class class class wbr 4685 (class class class)co 6690 0cc0 9974 1c1 9975 + caddc 9977 < clt 10112 2c2 11108 3c3 11109 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1762 ax-4 1777 ax-5 1879 ax-6 1945 ax-7 1981 ax-8 2032 ax-9 2039 ax-10 2059 ax-11 2074 ax-12 2087 ax-13 2282 ax-ext 2631 ax-sep 4814 ax-nul 4822 ax-pow 4873 ax-pr 4936 ax-un 6991 ax-resscn 10031 ax-1cn 10032 ax-icn 10033 ax-addcl 10034 ax-addrcl 10035 ax-mulcl 10036 ax-mulrcl 10037 ax-mulcom 10038 ax-addass 10039 ax-mulass 10040 ax-distr 10041 ax-i2m1 10042 ax-1ne0 10043 ax-1rid 10044 ax-rnegex 10045 ax-rrecex 10046 ax-cnre 10047 ax-pre-lttri 10048 ax-pre-lttrn 10049 ax-pre-ltadd 10050 ax-pre-mulgt0 10051 |
This theorem depends on definitions: df-bi 197 df-or 384 df-an 385 df-3or 1055 df-3an 1056 df-tru 1526 df-ex 1745 df-nf 1750 df-sb 1938 df-eu 2502 df-mo 2503 df-clab 2638 df-cleq 2644 df-clel 2647 df-nfc 2782 df-ne 2824 df-nel 2927 df-ral 2946 df-rex 2947 df-reu 2948 df-rab 2950 df-v 3233 df-sbc 3469 df-csb 3567 df-dif 3610 df-un 3612 df-in 3614 df-ss 3621 df-nul 3949 df-if 4120 df-pw 4193 df-sn 4211 df-pr 4213 df-op 4217 df-uni 4469 df-br 4686 df-opab 4746 df-mpt 4763 df-id 5053 df-po 5064 df-so 5065 df-xp 5149 df-rel 5150 df-cnv 5151 df-co 5152 df-dm 5153 df-rn 5154 df-res 5155 df-ima 5156 df-iota 5889 df-fun 5928 df-fn 5929 df-f 5930 df-f1 5931 df-fo 5932 df-f1o 5933 df-fv 5934 df-riota 6651 df-ov 6693 df-oprab 6694 df-mpt2 6695 df-er 7787 df-en 7998 df-dom 7999 df-sdom 8000 df-pnf 10114 df-mnf 10115 df-xr 10116 df-ltxr 10117 df-le 10118 df-sub 10306 df-neg 10307 df-2 11117 df-3 11118 |
This theorem is referenced by: 3ne0 11153 4pos 11154 3rp 11876 fz0to4untppr 12481 s4fv0 13686 sqrlem7 14033 sqrt9 14058 caurcvgr 14448 ef01bndlem 14958 cos2bnd 14962 sin01gt0 14964 cos01gt0 14965 rpnnen2lem3 14989 rpnnen2lem4 14990 rpnnen2lem9 14995 flodddiv4 15184 43prm 15876 cnfldfun 19806 tangtx 24302 sincos6thpi 24312 pige3 24314 log2cnv 24716 log2tlbnd 24717 cht3 24944 ppiub 24974 bposlem2 25055 bposlem3 25056 bposlem4 25057 bposlem5 25058 lgsdir2lem1 25095 chto1ub 25210 dchrvmasumiflem1 25235 tgcgr4 25471 frgrogt3nreg 27384 friendshipgt3 27385 ex-gcd 27444 hgt750lemd 30854 hgt750lem2 30858 heiborlem5 33744 heiborlem7 33746 jm2.23 37880 stoweidlem13 40548 stoweidlem26 40561 stoweidlem34 40569 stoweidlem42 40577 stoweidlem59 40594 stoweid 40598 wallispilem4 40603 smfmullem4 41322 257prm 41798 127prm 41840 |
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