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| Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-rabtrAUTO | Structured version Visualization version GIF version | ||
| Description: Proof of bj-rabtr 36972 found automatically by the Metamath program "MM-PA> IMPROVE ALL / DEPTH 3 / 3" command followed by "MM-PA> MINIMIZE_WITH *". (Contributed by BJ, 22-Apr-2019.) (Proof modification is discouraged.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| bj-rabtrAUTO | ⊢ {𝑥 ∈ 𝐴 ∣ ⊤} = 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssrab2 4027 | . 2 ⊢ {𝑥 ∈ 𝐴 ∣ ⊤} ⊆ 𝐴 | |
| 2 | ssid 3952 | . . . . 5 ⊢ 𝐴 ⊆ 𝐴 | |
| 3 | 2 | a1i 11 | . . . 4 ⊢ (⊤ → 𝐴 ⊆ 𝐴) |
| 4 | simpl 482 | . . . 4 ⊢ ((⊤ ∧ 𝑥 ∈ 𝐴) → ⊤) | |
| 5 | 3, 4 | ssrabdv 4019 | . . 3 ⊢ (⊤ → 𝐴 ⊆ {𝑥 ∈ 𝐴 ∣ ⊤}) |
| 6 | 5 | mptru 1548 | . 2 ⊢ 𝐴 ⊆ {𝑥 ∈ 𝐴 ∣ ⊤} |
| 7 | 1, 6 | eqssi 3946 | 1 ⊢ {𝑥 ∈ 𝐴 ∣ ⊤} = 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 ⊤wtru 1542 ∈ wcel 2111 {crab 3395 ⊆ wss 3897 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-tru 1544 df-ex 1781 df-nf 1785 df-sb 2068 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ral 3048 df-rab 3396 df-ss 3914 |
| This theorem is referenced by: (None) |
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