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| Mirrors > Home > ILE Home > Th. List > rpgt0d | Unicode version | ||
| Description: A positive real is greater than zero. (Contributed by Mario Carneiro, 28-May-2016.) |
| Ref | Expression |
|---|---|
| rpred.1 |
|
| Ref | Expression |
|---|---|
| rpgt0d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rpred.1 |
. 2
| |
| 2 | rpgt0 10082 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rab 2537 df-v 2823 df-un 3224 df-sn 3715 df-pr 3716 df-op 3718 df-br 4132 df-rp 10071 |
| This theorem is used by: rpregt0d 10120 ltmulgt11d 10149 ltmulgt12d 10150 gt0divd 10151 ge0divd 10152 lediv12ad 10173 expgt0 11029 nnesq 11117 bccl2 11227 resqrexlemp1rp 11793 resqrexlemover 11797 resqrexlemnm 11805 resqrexlemgt0 11807 resqrexlemglsq 11809 sqrtgt0d 11947 reccn2ap 12103 fsumlt 12255 eirraplem 12568 dvdsmodexp 12586 bitsmod 12747 prmind2 12922 sqrt2irrlem 12964 modprmn0modprm0 13063 4sqlem11 13208 4sqlem12 13209 modxai 13223 ssblex 15674 mulc1cncf 15832 cncfmptc 15839 mulcncflem 15850 cnplimclemle 15911 pilem3 16027 sgmnncl 16274 iooref1o 17306 trilpolemeq1 17313 nconstwlpolemgt0 17338 taupi 17347 |
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