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| Mirrors > Home > ILE Home > Th. List > gtnqex | GIF version | ||
| Description: The class of rationals greater than a given rational is a set. (Contributed by Jim Kingdon, 13-Dec-2019.) |
| Ref | Expression |
|---|---|
| gtnqex | ⊢ {𝑥 ∣ 𝐴 <Q 𝑥} ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nqex 7683 | . 2 ⊢ Q ∈ V | |
| 2 | ltrelnq 7685 | . . . . 5 ⊢ <Q ⊆ (Q × Q) | |
| 3 | 2 | brel 4804 | . . . 4 ⊢ (𝐴 <Q 𝑥 → (𝐴 ∈ Q ∧ 𝑥 ∈ Q)) |
| 4 | 3 | simprd 114 | . . 3 ⊢ (𝐴 <Q 𝑥 → 𝑥 ∈ Q) |
| 5 | 4 | abssi 3315 | . 2 ⊢ {𝑥 ∣ 𝐴 <Q 𝑥} ⊆ Q |
| 6 | 1, 5 | ssexi 4250 | 1 ⊢ {𝑥 ∣ 𝐴 <Q 𝑥} ∈ V |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2205 {cab 2220 Vcvv 2815 class class class wbr 4111 Qcnq 7600 <Q cltq 7605 |
| 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 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-13 2207 ax-14 2208 ax-ext 2216 ax-coll 4227 ax-sep 4230 ax-pow 4289 ax-pr 4324 ax-un 4556 ax-iinf 4712 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-reu 2529 df-rab 2531 df-v 2817 df-sbc 3045 df-csb 3141 df-dif 3215 df-un 3217 df-in 3219 df-ss 3226 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-int 3952 df-iun 3995 df-br 4112 df-opab 4174 df-mpt 4175 df-id 4416 df-iom 4715 df-xp 4757 df-rel 4758 df-cnv 4759 df-co 4760 df-dm 4761 df-rn 4762 df-res 4763 df-ima 4764 df-iota 5314 df-fun 5356 df-fn 5357 df-f 5358 df-f1 5359 df-fo 5360 df-f1o 5361 df-fv 5362 df-qs 6775 df-ni 7624 df-nqqs 7668 df-ltnqqs 7673 |
| This theorem is referenced by: nqprl 7871 nqpru 7872 1prl 7875 1pru 7876 addnqprlemrl 7877 addnqprlemru 7878 addnqprlemfl 7879 addnqprlemfu 7880 mulnqprlemrl 7893 mulnqprlemru 7894 mulnqprlemfl 7895 mulnqprlemfu 7896 ltnqpr 7913 ltnqpri 7914 archpr 7963 cauappcvgprlemladdfu 7974 cauappcvgprlemladdfl 7975 cauappcvgprlem2 7980 caucvgprlemladdfu 7997 caucvgprlem2 8000 caucvgprprlemopu 8019 suplocexprlemloc 8041 |
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