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| Mirrors > Home > ILE Home > Th. List > nq0ex | GIF version | ||
| Description: The class of positive fractions exists. (Contributed by Jim Kingdon, 18-Nov-2019.) |
| Ref | Expression |
|---|---|
| nq0ex | ⊢ Q0 ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-nq0 7650 | . 2 ⊢ Q0 = ((ω × N) / ~Q0 ) | |
| 2 | omex 4693 | . . . 4 ⊢ ω ∈ V | |
| 3 | niex 7537 | . . . 4 ⊢ N ∈ V | |
| 4 | 2, 3 | xpex 4844 | . . 3 ⊢ (ω × N) ∈ V |
| 5 | 4 | qsex 6766 | . 2 ⊢ ((ω × N) / ~Q0 ) ∈ V |
| 6 | 1, 5 | eqeltri 2303 | 1 ⊢ Q0 ∈ V |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2201 Vcvv 2801 ωcom 4690 × cxp 4725 / cqs 6706 Ncnpi 7497 ~Q0 ceq0 7511 Q0cnq0 7512 |
| 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-nq0 7650 |
| This theorem is referenced by: (None) |
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