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| Mirrors > Home > ILE Home > Th. List > elprnql | GIF version | ||
| Description: An element of a positive real's lower cut is a positive fraction. (Contributed by Jim Kingdon, 28-Sep-2019.) |
| Ref | Expression |
|---|---|
| elprnql | ⊢ ((〈𝐿, 𝑈〉 ∈ P ∧ 𝐵 ∈ 𝐿) → 𝐵 ∈ Q) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | prssnql 7704 | . 2 ⊢ (〈𝐿, 𝑈〉 ∈ P → 𝐿 ⊆ Q) | |
| 2 | 1 | sselda 3226 | 1 ⊢ ((〈𝐿, 𝑈〉 ∈ P ∧ 𝐵 ∈ 𝐿) → 𝐵 ∈ Q) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∈ wcel 2201 〈cop 3673 Qcnq 7505 Pcnp 7516 |
| 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-in1 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-coll 4205 ax-sep 4208 ax-pow 4266 ax-pr 4301 ax-un 4532 ax-iinf 4688 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ral 2514 df-rex 2515 df-reu 2516 df-rab 2518 df-v 2803 df-sbc 3031 df-csb 3127 df-dif 3201 df-un 3203 df-in 3205 df-ss 3212 df-pw 3655 df-sn 3676 df-pr 3677 df-op 3679 df-uni 3895 df-int 3930 df-iun 3973 df-br 4090 df-opab 4152 df-mpt 4153 df-id 4392 df-iom 4691 df-xp 4733 df-rel 4734 df-cnv 4735 df-co 4736 df-dm 4737 df-rn 4738 df-res 4739 df-ima 4740 df-iota 5288 df-fun 5330 df-fn 5331 df-f 5332 df-f1 5333 df-fo 5334 df-f1o 5335 df-fv 5336 df-qs 6713 df-ni 7529 df-nqqs 7573 df-inp 7691 |
| This theorem is referenced by: prubl 7711 prnmaxl 7713 prarloclemlt 7718 prarloclemlo 7719 prarloclem5 7725 genpdf 7733 genipv 7734 genpelvl 7737 genpml 7742 genprndl 7746 genpassl 7749 addnqprllem 7752 addnqprl 7754 addlocprlemeqgt 7757 addlocprlemgt 7759 addlocprlem 7760 nqprl 7776 prmuloc 7791 mulnqprl 7793 addcomprg 7803 mulcomprg 7805 distrlem1prl 7807 distrlem4prl 7809 1idprl 7815 ltsopr 7821 ltexprlemm 7825 ltexprlemopl 7826 ltexprlemopu 7828 ltexprlemupu 7829 ltexprlemdisj 7831 ltexprlemloc 7832 ltexprlemfl 7834 ltexprlemrl 7835 ltexprlemfu 7836 ltexprlemru 7837 addcanprleml 7839 addcanprlemu 7840 recexprlemloc 7856 recexprlem1ssl 7858 recexprlem1ssu 7859 recexprlemss1l 7860 aptiprleml 7864 aptiprlemu 7865 caucvgprprlemopl 7922 suplocexprlemex 7947 |
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