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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 7412 | . 2 ⊢ Q0 = ((ω × N) / ~Q0 ) | |
2 | omex 4589 | . . . 4 ⊢ ω ∈ V | |
3 | niex 7299 | . . . 4 ⊢ N ∈ V | |
4 | 2, 3 | xpex 4738 | . . 3 ⊢ (ω × N) ∈ V |
5 | 4 | qsex 6586 | . 2 ⊢ ((ω × N) / ~Q0 ) ∈ V |
6 | 1, 5 | eqeltri 2250 | 1 ⊢ Q0 ∈ V |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 2148 Vcvv 2737 ωcom 4586 × cxp 4621 / cqs 6528 Ncnpi 7259 ~Q0 ceq0 7273 Q0cnq0 7274 |
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 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-coll 4115 ax-sep 4118 ax-pow 4171 ax-pr 4206 ax-un 4430 ax-iinf 4584 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-rex 2461 df-reu 2462 df-rab 2464 df-v 2739 df-sbc 2963 df-csb 3058 df-dif 3131 df-un 3133 df-in 3135 df-ss 3142 df-pw 3576 df-sn 3597 df-pr 3598 df-op 3600 df-uni 3808 df-int 3843 df-iun 3886 df-br 4001 df-opab 4062 df-mpt 4063 df-id 4290 df-iom 4587 df-xp 4629 df-rel 4630 df-cnv 4631 df-co 4632 df-dm 4633 df-rn 4634 df-res 4635 df-ima 4636 df-iota 5174 df-fun 5214 df-fn 5215 df-f 5216 df-f1 5217 df-fo 5218 df-f1o 5219 df-fv 5220 df-qs 6535 df-ni 7291 df-nq0 7412 |
This theorem is referenced by: (None) |
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