| Mathbox for Peter Mazsa |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > elrelsrelim | Structured version Visualization version GIF version | ||
| Description: The element of the relations class is a relation. (Contributed by Peter Mazsa, 20-Jul-2019.) |
| Ref | Expression |
|---|---|
| elrelsrelim | ⊢ (𝑅 ∈ Rels → Rel 𝑅) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrelsrel 39640 | . 2 ⊢ (𝑅 ∈ Rels → (𝑅 ∈ Rels ↔ Rel 𝑅)) | |
| 2 | 1 | ibi 270 | 1 ⊢ (𝑅 ∈ Rels → Rel 𝑅) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2147 Rel wrel 5663 Rels crels 39383 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-ss 3901 df-pw 4562 df-rel 5665 df-rels 39638 |
| This theorem is used by: elrelscnveq3 39825 elrelscnveq2 39827 dfdisjs5 39995 eldisjs6 40138 |
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