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| Mirrors > Home > MPE Home > Th. List > Mathboxes > antisymrelres | Structured version Visualization version GIF version | ||
| Description: (Contributed by Peter Mazsa, 25-Jun-2024.) |
| Ref | Expression |
|---|---|
| antisymrelres | ⊢ ( AntisymRel (𝑅 ↾ 𝐴) ↔ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ((𝑥𝑅𝑦 ∧ 𝑦𝑅𝑥) → 𝑥 = 𝑦)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | relres 5957 | . . 3 ⊢ Rel (𝑅 ↾ 𝐴) | |
| 2 | dfantisymrel5 39232 | . . 3 ⊢ ( AntisymRel (𝑅 ↾ 𝐴) ↔ (∀𝑥∀𝑦((𝑥(𝑅 ↾ 𝐴)𝑦 ∧ 𝑦(𝑅 ↾ 𝐴)𝑥) → 𝑥 = 𝑦) ∧ Rel (𝑅 ↾ 𝐴))) | |
| 3 | 1, 2 | mpbiran2 716 | . 2 ⊢ ( AntisymRel (𝑅 ↾ 𝐴) ↔ ∀𝑥∀𝑦((𝑥(𝑅 ↾ 𝐴)𝑦 ∧ 𝑦(𝑅 ↾ 𝐴)𝑥) → 𝑥 = 𝑦)) |
| 4 | brres 5938 | . . . . . . 7 ⊢ (𝑦 ∈ V → (𝑥(𝑅 ↾ 𝐴)𝑦 ↔ (𝑥 ∈ 𝐴 ∧ 𝑥𝑅𝑦))) | |
| 5 | 4 | elv 3436 | . . . . . 6 ⊢ (𝑥(𝑅 ↾ 𝐴)𝑦 ↔ (𝑥 ∈ 𝐴 ∧ 𝑥𝑅𝑦)) |
| 6 | brres 5938 | . . . . . . 7 ⊢ (𝑥 ∈ V → (𝑦(𝑅 ↾ 𝐴)𝑥 ↔ (𝑦 ∈ 𝐴 ∧ 𝑦𝑅𝑥))) | |
| 7 | 6 | elv 3436 | . . . . . 6 ⊢ (𝑦(𝑅 ↾ 𝐴)𝑥 ↔ (𝑦 ∈ 𝐴 ∧ 𝑦𝑅𝑥)) |
| 8 | 5, 7 | anbi12i 634 | . . . . 5 ⊢ ((𝑥(𝑅 ↾ 𝐴)𝑦 ∧ 𝑦(𝑅 ↾ 𝐴)𝑥) ↔ ((𝑥 ∈ 𝐴 ∧ 𝑥𝑅𝑦) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦𝑅𝑥))) |
| 9 | an4 662 | . . . . 5 ⊢ (((𝑥 ∈ 𝐴 ∧ 𝑥𝑅𝑦) ∧ (𝑦 ∈ 𝐴 ∧ 𝑦𝑅𝑥)) ↔ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴) ∧ (𝑥𝑅𝑦 ∧ 𝑦𝑅𝑥))) | |
| 10 | 8, 9 | bitri 276 | . . . 4 ⊢ ((𝑥(𝑅 ↾ 𝐴)𝑦 ∧ 𝑦(𝑅 ↾ 𝐴)𝑥) ↔ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴) ∧ (𝑥𝑅𝑦 ∧ 𝑦𝑅𝑥))) |
| 11 | 10 | imbi1i 350 | . . 3 ⊢ (((𝑥(𝑅 ↾ 𝐴)𝑦 ∧ 𝑦(𝑅 ↾ 𝐴)𝑥) → 𝑥 = 𝑦) ↔ (((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴) ∧ (𝑥𝑅𝑦 ∧ 𝑦𝑅𝑥)) → 𝑥 = 𝑦)) |
| 12 | 11 | 2albii 1827 | . 2 ⊢ (∀𝑥∀𝑦((𝑥(𝑅 ↾ 𝐴)𝑦 ∧ 𝑦(𝑅 ↾ 𝐴)𝑥) → 𝑥 = 𝑦) ↔ ∀𝑥∀𝑦(((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴) ∧ (𝑥𝑅𝑦 ∧ 𝑦𝑅𝑥)) → 𝑥 = 𝑦)) |
| 13 | r2alan 38618 | . 2 ⊢ (∀𝑥∀𝑦(((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴) ∧ (𝑥𝑅𝑦 ∧ 𝑦𝑅𝑥)) → 𝑥 = 𝑦) ↔ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ((𝑥𝑅𝑦 ∧ 𝑦𝑅𝑥) → 𝑥 = 𝑦)) | |
| 14 | 3, 12, 13 | 3bitri 298 | 1 ⊢ ( AntisymRel (𝑅 ↾ 𝐴) ↔ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ((𝑥𝑅𝑦 ∧ 𝑦𝑅𝑥) → 𝑥 = 𝑦)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 207 ∧ wa 396 ∀wal 1545 = wceq 1547 ∈ wcel 2119 ∀wral 3053 Vcvv 3431 class class class wbr 5072 ↾ cres 5620 Rel wrel 5623 AntisymRel wantisymrel 38589 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 ax-sep 5218 ax-pr 5362 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-ral 3054 df-rex 3064 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-sn 4556 df-pr 4558 df-op 4562 df-br 5073 df-opab 5135 df-id 5513 df-xp 5624 df-rel 5625 df-cnv 5626 df-dm 5628 df-rn 5629 df-res 5630 df-cnvrefrel 38974 df-antisymrel 39230 |
| This theorem is referenced by: (None) |
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