| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > rpgt0d | GIF version | ||
| Description: A positive real is greater than zero. (Contributed by Mario Carneiro, 28-May-2016.) |
| Ref | Expression |
|---|---|
| rpred.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
| Ref | Expression |
|---|---|
| rpgt0d | ⊢ (𝜑 → 0 < 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rpred.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ+) | |
| 2 | rpgt0 10001 | . 2 ⊢ (𝐴 ∈ ℝ+ → 0 < 𝐴) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 0 < 𝐴) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2205 class class class wbr 4111 0cc0 8129 < clt 8310 ℝ+crp 9989 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-rab 2531 df-v 2817 df-un 3217 df-sn 3697 df-pr 3698 df-op 3700 df-br 4112 df-rp 9990 |
| This theorem is referenced by: rpregt0d 10039 ltmulgt11d 10068 ltmulgt12d 10069 gt0divd 10070 ge0divd 10071 lediv12ad 10092 expgt0 10938 nnesq 11025 bccl2 11134 resqrexlemp1rp 11695 resqrexlemover 11699 resqrexlemnm 11707 resqrexlemgt0 11709 resqrexlemglsq 11711 sqrtgt0d 11848 reccn2ap 12002 fsumlt 12154 eirraplem 12467 dvdsmodexp 12485 bitsmod 12646 prmind2 12821 sqrt2irrlem 12862 modprmn0modprm0 12958 4sqlem11 13103 4sqlem12 13104 modxai 13118 ssblex 15313 mulc1cncf 15471 cncfmptc 15478 mulcncflem 15489 cnplimclemle 15550 pilem3 15665 sgmnncl 15873 iooref1o 16835 trilpolemeq1 16841 nconstwlpolemgt0 16867 taupi 16876 |
| Copyright terms: Public domain | W3C validator |