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Mirrors > Home > ILE Home > Th. List > nnnq | GIF version |
Description: The canonical embedding of positive integers into positive fractions. (Contributed by Jim Kingdon, 26-Apr-2020.) |
Ref | Expression |
---|---|
nnnq | ⊢ (𝐴 ∈ N → [〈𝐴, 1o〉] ~Q ∈ Q) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1pi 7116 | . . . 4 ⊢ 1o ∈ N | |
2 | opelxpi 4566 | . . . 4 ⊢ ((𝐴 ∈ N ∧ 1o ∈ N) → 〈𝐴, 1o〉 ∈ (N × N)) | |
3 | 1, 2 | mpan2 421 | . . 3 ⊢ (𝐴 ∈ N → 〈𝐴, 1o〉 ∈ (N × N)) |
4 | enqex 7161 | . . . 4 ⊢ ~Q ∈ V | |
5 | 4 | ecelqsi 6476 | . . 3 ⊢ (〈𝐴, 1o〉 ∈ (N × N) → [〈𝐴, 1o〉] ~Q ∈ ((N × N) / ~Q )) |
6 | 3, 5 | syl 14 | . 2 ⊢ (𝐴 ∈ N → [〈𝐴, 1o〉] ~Q ∈ ((N × N) / ~Q )) |
7 | df-nqqs 7149 | . 2 ⊢ Q = ((N × N) / ~Q ) | |
8 | 6, 7 | eleqtrrdi 2231 | 1 ⊢ (𝐴 ∈ N → [〈𝐴, 1o〉] ~Q ∈ Q) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∈ wcel 1480 〈cop 3525 × cxp 4532 1oc1o 6299 [cec 6420 / cqs 6421 Ncnpi 7073 ~Q ceq 7080 Qcnq 7081 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-sep 4041 ax-nul 4049 ax-pow 4093 ax-pr 4126 ax-un 4350 ax-iinf 4497 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ne 2307 df-ral 2419 df-rex 2420 df-v 2683 df-dif 3068 df-un 3070 df-in 3072 df-ss 3079 df-nul 3359 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-uni 3732 df-int 3767 df-br 3925 df-opab 3985 df-suc 4288 df-iom 4500 df-xp 4540 df-cnv 4542 df-dm 4544 df-rn 4545 df-res 4546 df-ima 4547 df-1o 6306 df-ec 6424 df-qs 6428 df-ni 7105 df-enq 7148 df-nqqs 7149 |
This theorem is referenced by: recnnpr 7349 nnprlu 7354 archrecnq 7464 archrecpr 7465 caucvgprlemnkj 7467 caucvgprlemnbj 7468 caucvgprlemm 7469 caucvgprlemopl 7470 caucvgprlemlol 7471 caucvgprlemloc 7476 caucvgprlemladdfu 7478 caucvgprlemladdrl 7479 caucvgprprlemloccalc 7485 caucvgprprlemnkltj 7490 caucvgprprlemnkeqj 7491 caucvgprprlemnjltk 7492 caucvgprprlemml 7495 caucvgprprlemopl 7498 caucvgprprlemlol 7499 caucvgprprlemloc 7504 caucvgprprlemexb 7508 caucvgprprlem1 7510 caucvgprprlem2 7511 pitonnlem2 7648 ltrennb 7655 recidpipr 7657 |
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