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| Mirrors > Home > ILE Home > Th. List > apsscn | GIF version | ||
| Description: The points apart from a given point are complex numbers. (Contributed by Jim Kingdon, 19-Dec-2023.) |
| Ref | Expression |
|---|---|
| apsscn | ⊢ {𝑥 ∈ 𝐴 ∣ 𝑥 # 𝐵} ⊆ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breq1 4051 | . . . . 5 ⊢ (𝑥 = 𝑦 → (𝑥 # 𝐵 ↔ 𝑦 # 𝐵)) | |
| 2 | 1 | elrab 2931 | . . . 4 ⊢ (𝑦 ∈ {𝑥 ∈ 𝐴 ∣ 𝑥 # 𝐵} ↔ (𝑦 ∈ 𝐴 ∧ 𝑦 # 𝐵)) |
| 3 | aprcl 8732 | . . . 4 ⊢ (𝑦 # 𝐵 → (𝑦 ∈ ℂ ∧ 𝐵 ∈ ℂ)) | |
| 4 | 2, 3 | simplbiim 387 | . . 3 ⊢ (𝑦 ∈ {𝑥 ∈ 𝐴 ∣ 𝑥 # 𝐵} → (𝑦 ∈ ℂ ∧ 𝐵 ∈ ℂ)) |
| 5 | 4 | simpld 112 | . 2 ⊢ (𝑦 ∈ {𝑥 ∈ 𝐴 ∣ 𝑥 # 𝐵} → 𝑦 ∈ ℂ) |
| 6 | 5 | ssriv 3199 | 1 ⊢ {𝑥 ∈ 𝐴 ∣ 𝑥 # 𝐵} ⊆ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∧ wa 104 ∈ wcel 2177 {crab 2489 ⊆ wss 3168 class class class wbr 4048 ℂcc 7936 # cap 8667 |
| 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-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2179 ax-14 2180 ax-ext 2188 ax-sep 4167 ax-pow 4223 ax-pr 4258 ax-un 4485 ax-resscn 8030 ax-icn 8033 ax-addcl 8034 ax-mulcl 8036 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ral 2490 df-rex 2491 df-rab 2494 df-v 2775 df-sbc 3001 df-un 3172 df-in 3174 df-ss 3181 df-pw 3620 df-sn 3641 df-pr 3642 df-op 3644 df-uni 3854 df-br 4049 df-opab 4111 df-mpt 4112 df-id 4345 df-xp 4686 df-rel 4687 df-cnv 4688 df-co 4689 df-dm 4690 df-rn 4691 df-iota 5238 df-fun 5279 df-fn 5280 df-f 5281 df-fo 5283 df-fv 5285 df-1st 6236 df-2nd 6237 df-ap 8668 |
| This theorem is referenced by: expghmap 14419 maxcncf 15137 mincncf 15138 limccoap 15200 dveflem 15248 |
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