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| Description: A positive real is a set of positive fractions. |
| Ref | Expression |
|---|---|
| elprpq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | prpssnq 3888 |
. . . 4
| |
| 2 | 1 | pssssd 1568 |
. . 3
|
| 3 | 2 | sseld 1506 |
. 2
|
| 4 | 3 | imp 277 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: prub 3892 genpnnp 3902 genpnmax 3904 addclprlem1 3912 addclprlem2 3913 mulclprlem 3915 distrlem3pr 3923 distrlem4pr 3924 1idpr 3927 psslinpr 3929 prlem934 3933 ltaddpr 3934 ltexprlem2 3937 ltexprlem3 3938 ltexprlem6 3941 ltexprlem7 3942 prlem936b 3948 prlem936 3949 reclem2pr 3951 reclem4pr 3953 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-13 804 ax-14 805 ax-16 922 ax-17 925 ax-ext 1074 ax-rep 1075 ax-un 1076 ax-pow 1077 ax-reg 1078 ax-inf 1079 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-3or 582 df-3an 583 df-ex 679 df-sb 853 df-eu 1009 df-mo 1010 df-clab 1093 df-cleq 1097 df-clel 1099 df-ne 1192 df-ral 1205 df-rex 1206 df-rab 1208 df-v 1349 df-sbc 1441 df-dif 1489 df-un 1490 df-in 1491 df-ss 1492 df-pss 1494 df-nul 1708 df-if 1777 df-pw 1799 df-sn 1811 df-pr 1812 df-tp 1814 df-op 1815 df-uni 1920 df-tr 2042 df-br 2063 df-opab 2098 df-eprel 2122 df-id 2125 df-po 2128 df-so 2138 df-fr 2169 df-we 2186 df-ord 2202 df-on 2203 df-lim 2204 df-suc 2205 df-om 2373 df-xp 2424 df-rel 2425 df-cnv 2426 df-co 2427 df-dm 2428 df-rn 2429 df-res 2430 df-ima 2431 df-fun 2432 df-fn 2433 df-f 2434 df-f1 2435 df-fv 2438 df-rdg 2970 df-qs 3205 df-ni 3794 df-nq 3832 df-np 3880 |