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| Description: The number 3 is positive. |
| Ref | Expression |
|---|---|
| 3pos |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2re 5993 |
. . 3
| |
| 2 | 1re 5455 |
. . 3
| |
| 3 | 2pos 6003 |
. . 3
| |
| 4 | lt01 5700 |
. . 3
| |
| 5 | 1, 2, 3, 4 | addgt0ii 5621 |
. 2
|
| 6 | df-3 5985 |
. 2
| |
| 7 | 5, 6 | breqtrri 2655 |
1
|
| Colors of variables: wff set class |
| Syntax hints: class class
class wbr 2634 (class class class)co 3979
|
| This theorem is referenced by: 4pos 6006 8th4div3 6045 sqr9 6750 efaddlem20 7389 sin01bndlem1 7500 sin01bndlem3 7502 cos01bndlem3 7504 sin01gt0 7509 cos01gt0 7510 ruclem1 7543 ruclem2 7544 ruclem3 7545 ruclem13 7555 ruclem26 7568 sincos6thpi 8735 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 966 ax-gen 967 ax-8 968 ax-9 969 ax-10 970 ax-11 971 ax-12 972 ax-13 973 ax-14 974 ax-17 975 ax-4 977 ax-5o 979 ax-6o 982 ax-9o 1127 ax-10o 1144 ax-16 1214 ax-11o 1222 ax-ext 1464 ax-rep 2708 ax-sep 2718 ax-nul 2725 ax-pow 2758 ax-pr 2795 ax-un 2882 ax-inf2 4642 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 780 df-3an 781 df-ex 985 df-sb 1176 df-eu 1386 df-mo 1387 df-clab 1470 df-cleq 1475 df-clel 1478 df-ne 1594 df-nel 1595 df-ral 1656 df-rex 1657 df-reu 1658 df-rab 1659 df-v 1819 df-sbc 1949 df-csb 2012 df-dif 2060 df-un 2061 df-in 2062 df-ss 2064 df-pss 2066 df-nul 2292 df-if 2374 df-pw 2414 df-sn 2424 df-pr 2425 df-tp 2427 df-op 2428 df-uni 2518 df-int 2548 df-iun 2582 df-br 2635 df-opab 2682 df-tr 2696 df-eprel 2848 df-id 2851 df-po 2856 df-so 2866 df-fr 2933 df-we 2950 df-ord 2967 df-on 2968 df-lim 2969 df-suc 2970 df-om 3148 df-xp 3200 df-rel 3201 df-cnv 3202 df-co 3203 df-dm 3204 df-rn 3205 df-res 3206 df-ima 3207 df-fun 3208 df-fn 3209 df-f 3210 df-f1 3211 df-fo 3212 df-f1o 3213 df-fv 3214 df-rdg 3948 df-opr 3981 df-oprab 3982 df-1st 4095 df-2nd 4096 df-1o 4149 df-oadd 4151 df-omul 4152 df-er 4277 df-ec 4279 df-qs 4282 df-en 4386 df-dom 4387 df-sdom 4388 df-ni 5020 df-pli 5021 df-mi 5022 df-lti 5023 df-plpq 5055 df-mpq 5056 df-enq 5057 df-nq 5058 df-plq 5059 df-mq 5060 df-rq 5061 df-ltq 5062 df-1q 5063 df-np 5106 df-1p 5107 df-plp 5108 df-mp 5109 df-ltp 5110 df-plpr 5184 df-mpr 5185 df-enr 5186 df-nr 5187 df-plr 5188 df-mr 5189 df-ltr 5190 df-0r 5191 df-1r 5192 df-m1r 5193 df-c 5260 df-0 5261 df-1 5262 df-i 5263 df-r 5264 df-plus 5265 df-mul 5266 df-lt 5267 df-sub 5376 df-neg 5378 df-pnf 5507 df-mnf 5508 df-xr 5509 df-ltxr 5510 df-le 5511 df-2 5984 df-3 5985 |