| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 7745 | . 2 ⊢ Q0 = ((ω × N) / ~Q0 ) | |
| 2 | omex 4717 | . . . 4 ⊢ ω ∈ V | |
| 3 | niex 7632 | . . . 4 ⊢ N ∈ V | |
| 4 | 2, 3 | xpex 4868 | . . 3 ⊢ (ω × N) ∈ V |
| 5 | 4 | qsex 6828 | . 2 ⊢ ((ω × N) / ~Q0 ) ∈ V |
| 6 | 1, 5 | eqeltri 2307 | 1 ⊢ Q0 ∈ V |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2205 Vcvv 2815 ωcom 4714 × cxp 4749 / cqs 6768 Ncnpi 7592 ~Q0 ceq0 7606 Q0cnq0 7607 |
| 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-nq0 7745 |
| This theorem is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |