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| Mirrors > Home > ILE Home > Th. List > f1rn | GIF version | ||
| Description: The range of a one-to-one mapping. (Contributed by BJ, 6-Jul-2022.) |
| Ref | Expression |
|---|---|
| f1rn | ⊢ (𝐹:𝐴–1-1→𝐵 → ran 𝐹 ⊆ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | f1f 5542 | . 2 ⊢ (𝐹:𝐴–1-1→𝐵 → 𝐹:𝐴⟶𝐵) | |
| 2 | frn 5491 | . 2 ⊢ (𝐹:𝐴⟶𝐵 → ran 𝐹 ⊆ 𝐵) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝐹:𝐴–1-1→𝐵 → ran 𝐹 ⊆ 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ⊆ wss 3200 ran crn 4726 ⟶wf 5322 –1-1→wf1 5323 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 |
| This theorem depends on definitions: df-bi 117 df-f 5330 df-f1 5331 |
| This theorem is referenced by: fun11iun 5604 f1dmex 6277 f1finf1o 7145 caserel 7285 djudom 7291 exmidfodomrlemim 7411 usgruspgrben 16036 domomsubct 16602 |
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