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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 7646 | . . . 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 7705 | . . 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 1275 | . 2 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → ([〈𝐴, 1o〉] ~Q <Q [〈𝐵, 1o〉] ~Q ↔ (𝐴 ·N 1o) <N (1o ·N 𝐵))) |
| 7 | mulidpi 7649 | . . . 4 ⊢ (𝐴 ∈ N → (𝐴 ·N 1o) = 𝐴) | |
| 8 | 1, 7 | syl 14 | . . 3 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → (𝐴 ·N 1o) = 𝐴) |
| 9 | mulcompig 7662 | . . . . 5 ⊢ ((1o ∈ N ∧ 𝐵 ∈ N) → (1o ·N 𝐵) = (𝐵 ·N 1o)) | |
| 10 | 2, 4, 9 | sylancr 414 | . . . 4 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → (1o ·N 𝐵) = (𝐵 ·N 1o)) |
| 11 | mulidpi 7649 | . . . . 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 2267 | . . 3 ⊢ ((𝐴 ∈ N ∧ 𝐵 ∈ N) → (1o ·N 𝐵) = 𝐵) |
| 14 | 8, 13 | breq12d 4127 | . 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 1398 ∈ wcel 2205 〈cop 3697 class class class wbr 4114 (class class class)co 6058 1oc1o 6653 [cec 6778 Ncnpi 7603 ·N cmi 7605 <N clti 7606 ~Q ceq 7610 <Q cltq 7616 |
| 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 4230 ax-sep 4233 ax-nul 4241 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 ax-iinf 4715 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 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-ne 2415 df-ral 2527 df-rex 2528 df-reu 2529 df-rab 2531 df-v 2817 df-sbc 3046 df-csb 3142 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-iun 3998 df-br 4115 df-opab 4177 df-mpt 4178 df-tr 4214 df-eprel 4415 df-id 4419 df-iord 4492 df-on 4494 df-suc 4497 df-iom 4718 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-f1 5362 df-fo 5363 df-f1o 5364 df-fv 5365 df-ov 6061 df-oprab 6062 df-mpo 6063 df-1st 6347 df-2nd 6348 df-recs 6549 df-irdg 6614 df-1o 6660 df-oadd 6664 df-omul 6665 df-er 6780 df-ec 6782 df-qs 6786 df-ni 7635 df-mi 7637 df-lti 7638 df-enq 7678 df-nqqs 7679 df-ltnqqs 7684 |
| This theorem is referenced by: caucvgprlemk 7996 caucvgprprlemk 8014 ltrennb 8185 |
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