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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 10077 |
. 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 4131 df-rp 10066 |
| This theorem is used by: rpregt0d 10115 ltmulgt11d 10144 ltmulgt12d 10145 gt0divd 10146 ge0divd 10147 lediv12ad 10168 expgt0 11024 nnesq 11112 bccl2 11222 resqrexlemp1rp 11788 resqrexlemover 11792 resqrexlemnm 11800 resqrexlemgt0 11802 resqrexlemglsq 11804 sqrtgt0d 11942 reccn2ap 12098 fsumlt 12250 eirraplem 12563 dvdsmodexp 12581 bitsmod 12742 prmind2 12917 sqrt2irrlem 12959 modprmn0modprm0 13058 4sqlem11 13203 4sqlem12 13204 modxai 13218 ssblex 15623 mulc1cncf 15781 cncfmptc 15788 mulcncflem 15799 cnplimclemle 15860 pilem3 15976 sgmnncl 16218 iooref1o 17249 trilpolemeq1 17256 nconstwlpolemgt0 17281 taupi 17290 |
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