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Mirrors > Home > MPE Home > Th. List > 1nqenq | Structured version Visualization version GIF version |
Description: The equivalence class of ratio 1. (Contributed by NM, 4-Mar-1996.) (Revised by Mario Carneiro, 28-Apr-2013.) (New usage is discouraged.) |
Ref | Expression |
---|---|
1nqenq | ⊢ (𝐴 ∈ N → 1Q ~Q 〈𝐴, 𝐴〉) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | enqer 9743 | . . 3 ⊢ ~Q Er (N × N) | |
2 | 1 | a1i 11 | . 2 ⊢ (𝐴 ∈ N → ~Q Er (N × N)) |
3 | mulidpi 9708 | . . . 4 ⊢ (𝐴 ∈ N → (𝐴 ·N 1𝑜) = 𝐴) | |
4 | 3, 3 | opeq12d 4410 | . . 3 ⊢ (𝐴 ∈ N → 〈(𝐴 ·N 1𝑜), (𝐴 ·N 1𝑜)〉 = 〈𝐴, 𝐴〉) |
5 | 1pi 9705 | . . . . 5 ⊢ 1𝑜 ∈ N | |
6 | mulcanenq 9782 | . . . . 5 ⊢ ((𝐴 ∈ N ∧ 1𝑜 ∈ N ∧ 1𝑜 ∈ N) → 〈(𝐴 ·N 1𝑜), (𝐴 ·N 1𝑜)〉 ~Q 〈1𝑜, 1𝑜〉) | |
7 | 5, 5, 6 | mp3an23 1416 | . . . 4 ⊢ (𝐴 ∈ N → 〈(𝐴 ·N 1𝑜), (𝐴 ·N 1𝑜)〉 ~Q 〈1𝑜, 1𝑜〉) |
8 | df-1nq 9738 | . . . 4 ⊢ 1Q = 〈1𝑜, 1𝑜〉 | |
9 | 7, 8 | syl6breqr 4695 | . . 3 ⊢ (𝐴 ∈ N → 〈(𝐴 ·N 1𝑜), (𝐴 ·N 1𝑜)〉 ~Q 1Q) |
10 | 4, 9 | eqbrtrrd 4677 | . 2 ⊢ (𝐴 ∈ N → 〈𝐴, 𝐴〉 ~Q 1Q) |
11 | 2, 10 | ersym 7754 | 1 ⊢ (𝐴 ∈ N → 1Q ~Q 〈𝐴, 𝐴〉) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 1990 〈cop 4183 class class class wbr 4653 × cxp 5112 (class class class)co 6650 1𝑜c1o 7553 Er wer 7739 Ncnpi 9666 ·N cmi 9668 ~Q ceq 9673 1Qc1q 9675 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-reu 2919 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-1st 7168 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-oadd 7564 df-omul 7565 df-er 7742 df-ni 9694 df-mi 9696 df-enq 9733 df-1nq 9738 |
This theorem is referenced by: recmulnq 9786 |
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