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| Mirrors > Home > ILE Home > Th. List > ltnnnq | GIF version | ||
| Description: Ordering of positive integers via <N or <Q is equivalent. (Contributed by Jim Kingdon, 3-Oct-2020.) |
| Ref | Expression |
|---|---|
| ltnnnq | ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → (𝐴 <N 𝐵 ↔ [〈𝐴, 1o〉] ~Q <Q [〈𝐵, 1o〉] ~Q )) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpl 109 | . . 3 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → 𝐴 ∈ N) | |
| 2 | 1pi 7672 | . . . 4 ⊢ 1o ∈ N | |
| 3 | 2 | a1i 9 | . . 3 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → 1o ∈ N) |
| 4 | simpr 110 | . . 3 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → 𝐵 ∈ N) | |
| 5 | ordpipqqs 7731 | . . 3 ⊢ (((𝐴 ∈ N ∧ 1o ∈ N) ∧ (𝐵 ∈ N ∧ 1o ∈ N)) → ([〈𝐴, 1o〉] ~Q <Q [〈𝐵, 1o〉] ~Q ↔ (𝐴 ·N 1o) <N (1o ·N 𝐵))) | |
| 6 | 1, 3, 4, 3, 5 | syl22anc 1279 | . 2 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → ([〈𝐴, 1o〉] ~Q <Q [〈𝐵, 1o〉] ~Q ↔ (𝐴 ·N 1o) <N (1o ·N 𝐵))) |
| 7 | mulidpi 7675 | . . . 4 ⊢ (𝐴 ∈ N → (𝐴 ·N 1o) = 𝐴) | |
| 8 | 1, 7 | syl 14 | . . 3 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → (𝐴 ·N 1o) = 𝐴) |
| 9 | mulcompig 7688 | . . . . 5 ⊢ ((1o ∈ N ∧ 𝐵 ∈ N) → (1o ·N 𝐵) = (𝐵 ·N 1o)) | |
| 10 | 2, 4, 9 | sylancr 418 | . . . 4 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → (1o ·N 𝐵) = (𝐵 ·N 1o)) |
| 11 | mulidpi 7675 | . . . . 5 ⊢ (𝐵 ∈ N → (𝐵 ·N 1o) = 𝐵) | |
| 12 | 4, 11 | syl 14 | . . . 4 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → (𝐵 ·N 1o) = 𝐵) |
| 13 | 10, 12 | eqtrd 2271 | . . 3 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → (1o ·N 𝐵) = 𝐵) |
| 14 | 8, 13 | breq12d 4138 | . 2 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → ((𝐴 ·N 1o) <N (1o ·N 𝐵) ↔ 𝐴 <N 𝐵)) |
| 15 | 6, 14 | bitr2d 189 | 1 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → (𝐴 <N 𝐵 ↔ [〈𝐴, 1o〉] ~Q <Q [〈𝐵, 1o〉] ~Q )) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 = wceq 1402 ∈ wcel 2209 〈cop 3708 class class class wbr 4125 (class class class)co 6075 1oc1o 6670 [cec 6795 Ncnpi 7629 ·N cmi 7631 <N clti 7632 ~Q ceq 7636 <Q cltq 7642 |
| 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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4241 ax-sep 4244 ax-nul 4254 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-iinf 4730 |
| This theorem depends on definitions: df-bi 117 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-iun 4009 df-br 4126 df-opab 4188 df-mpt 4189 df-tr 4225 df-eprel 4429 df-id 4433 df-iord 4506 df-on 4508 df-suc 4511 df-iom 4733 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 df-iota 5332 df-fun 5374 df-fn 5375 df-f 5376 df-f1 5377 df-fo 5378 df-f1o 5379 df-fv 5380 df-ov 6078 df-oprab 6079 df-mpo 6080 df-1st 6364 df-2nd 6365 df-recs 6566 df-irdg 6631 df-1o 6677 df-oadd 6681 df-omul 6682 df-er 6797 df-ec 6799 df-qs 6803 df-ni 7661 df-mi 7663 df-lti 7664 df-enq 7704 df-nqqs 7705 df-ltnqqs 7710 |
| This theorem is referenced by: caucvgprlemk 8022 caucvgprprlemk 8040 ltrennb 8211 |
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