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Mirrors > Home > ILE Home > Th. List > 1qec | GIF version |
Description: The equivalence class of ratio 1. (Contributed by NM, 4-Mar-1996.) |
Ref | Expression |
---|---|
1qec | ⊢ (𝐴 ∈ N → 1Q = [〈𝐴, 𝐴〉] ~Q ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-1nqqs 7292 | . 2 ⊢ 1Q = [〈1o, 1o〉] ~Q | |
2 | 1pi 7256 | . . . 4 ⊢ 1o ∈ N | |
3 | mulcanenqec 7327 | . . . 4 ⊢ ((𝐴 ∈ N ∧ 1o ∈ N ∧ 1o ∈ N) → [〈(𝐴 ·N 1o), (𝐴 ·N 1o)〉] ~Q = [〈1o, 1o〉] ~Q ) | |
4 | 2, 2, 3 | mp3an23 1319 | . . 3 ⊢ (𝐴 ∈ N → [〈(𝐴 ·N 1o), (𝐴 ·N 1o)〉] ~Q = [〈1o, 1o〉] ~Q ) |
5 | mulidpi 7259 | . . . . 5 ⊢ (𝐴 ∈ N → (𝐴 ·N 1o) = 𝐴) | |
6 | 5, 5 | jca 304 | . . . 4 ⊢ (𝐴 ∈ N → ((𝐴 ·N 1o) = 𝐴 ∧ (𝐴 ·N 1o) = 𝐴)) |
7 | opeq12 3760 | . . . 4 ⊢ (((𝐴 ·N 1o) = 𝐴 ∧ (𝐴 ·N 1o) = 𝐴) → 〈(𝐴 ·N 1o), (𝐴 ·N 1o)〉 = 〈𝐴, 𝐴〉) | |
8 | eceq1 6536 | . . . 4 ⊢ (〈(𝐴 ·N 1o), (𝐴 ·N 1o)〉 = 〈𝐴, 𝐴〉 → [〈(𝐴 ·N 1o), (𝐴 ·N 1o)〉] ~Q = [〈𝐴, 𝐴〉] ~Q ) | |
9 | 6, 7, 8 | 3syl 17 | . . 3 ⊢ (𝐴 ∈ N → [〈(𝐴 ·N 1o), (𝐴 ·N 1o)〉] ~Q = [〈𝐴, 𝐴〉] ~Q ) |
10 | 4, 9 | eqtr3d 2200 | . 2 ⊢ (𝐴 ∈ N → [〈1o, 1o〉] ~Q = [〈𝐴, 𝐴〉] ~Q ) |
11 | 1, 10 | syl5eq 2211 | 1 ⊢ (𝐴 ∈ N → 1Q = [〈𝐴, 𝐴〉] ~Q ) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 = wceq 1343 ∈ wcel 2136 〈cop 3579 (class class class)co 5842 1oc1o 6377 [cec 6499 Ncnpi 7213 ·N cmi 7215 ~Q ceq 7220 1Qc1q 7222 |
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 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-coll 4097 ax-sep 4100 ax-nul 4108 ax-pow 4153 ax-pr 4187 ax-un 4411 ax-setind 4514 ax-iinf 4565 |
This theorem depends on definitions: df-bi 116 df-dc 825 df-3or 969 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ne 2337 df-ral 2449 df-rex 2450 df-reu 2451 df-rab 2453 df-v 2728 df-sbc 2952 df-csb 3046 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-nul 3410 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-int 3825 df-iun 3868 df-br 3983 df-opab 4044 df-mpt 4045 df-tr 4081 df-id 4271 df-iord 4344 df-on 4346 df-suc 4349 df-iom 4568 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-rn 4615 df-res 4616 df-ima 4617 df-iota 5153 df-fun 5190 df-fn 5191 df-f 5192 df-f1 5193 df-fo 5194 df-f1o 5195 df-fv 5196 df-ov 5845 df-oprab 5846 df-mpo 5847 df-1st 6108 df-2nd 6109 df-recs 6273 df-irdg 6338 df-1o 6384 df-oadd 6388 df-omul 6389 df-er 6501 df-ec 6503 df-ni 7245 df-mi 7247 df-enq 7288 df-1nqqs 7292 |
This theorem is referenced by: recexnq 7331 |
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