Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > opelreal | GIF version |
Description: Ordered pair membership in class of real subset of complex numbers. (Contributed by NM, 22-Feb-1996.) |
Ref | Expression |
---|---|
opelreal | ⊢ (〈𝐴, 0R〉 ∈ ℝ ↔ 𝐴 ∈ R) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2165 | . 2 ⊢ 0R = 0R | |
2 | df-r 7763 | . . . 4 ⊢ ℝ = (R × {0R}) | |
3 | 2 | eleq2i 2233 | . . 3 ⊢ (〈𝐴, 0R〉 ∈ ℝ ↔ 〈𝐴, 0R〉 ∈ (R × {0R})) |
4 | opelxp 4634 | . . 3 ⊢ (〈𝐴, 0R〉 ∈ (R × {0R}) ↔ (𝐴 ∈ R ∧ 0R ∈ {0R})) | |
5 | 0r 7691 | . . . . . 6 ⊢ 0R ∈ R | |
6 | 5 | elexi 2738 | . . . . 5 ⊢ 0R ∈ V |
7 | 6 | elsn 3592 | . . . 4 ⊢ (0R ∈ {0R} ↔ 0R = 0R) |
8 | 7 | anbi2i 453 | . . 3 ⊢ ((𝐴 ∈ R ∧ 0R ∈ {0R}) ↔ (𝐴 ∈ R ∧ 0R = 0R)) |
9 | 3, 4, 8 | 3bitri 205 | . 2 ⊢ (〈𝐴, 0R〉 ∈ ℝ ↔ (𝐴 ∈ R ∧ 0R = 0R)) |
10 | 1, 9 | mpbiran2 931 | 1 ⊢ (〈𝐴, 0R〉 ∈ ℝ ↔ 𝐴 ∈ R) |
Colors of variables: wff set class |
Syntax hints: ∧ wa 103 ↔ wb 104 = wceq 1343 ∈ wcel 2136 {csn 3576 〈cop 3579 × cxp 4602 Rcnr 7238 0Rc0r 7239 ℝcr 7752 |
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-eprel 4267 df-id 4271 df-po 4274 df-iso 4275 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-qs 6507 df-ni 7245 df-pli 7246 df-mi 7247 df-lti 7248 df-plpq 7285 df-mpq 7286 df-enq 7288 df-nqqs 7289 df-plqqs 7290 df-mqqs 7291 df-1nqqs 7292 df-rq 7293 df-ltnqqs 7294 df-inp 7407 df-i1p 7408 df-enr 7667 df-nr 7668 df-0r 7672 df-r 7763 |
This theorem is referenced by: ltresr 7780 pitore 7791 recnnre 7792 peano1nnnn 7793 ax1cn 7802 ax1re 7803 axaddrcl 7806 axmulrcl 7808 axrnegex 7820 axprecex 7821 axcnre 7822 axcaucvglemres 7840 axpre-suploclemres 7842 |
Copyright terms: Public domain | W3C validator |