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| Mirrors > Home > ILE Home > Th. List > frnd | GIF version | ||
| Description: Deduction form of frn 5542. The range of a mapping. (Contributed by Glauco Siliprandi, 26-Jun-2021.) |
| Ref | Expression |
|---|---|
| frnd.1 | ⊢ (𝜑 → 𝐹:𝐴⟶𝐵) |
| Ref | Expression |
|---|---|
| frnd | ⊢ (𝜑 → ran 𝐹 ⊆ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | frnd.1 | . 2 ⊢ (𝜑 → 𝐹:𝐴⟶𝐵) | |
| 2 | frn 5542 | . 2 ⊢ (𝐹:𝐴⟶𝐵 → ran 𝐹 ⊆ 𝐵) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → ran 𝐹 ⊆ 𝐵) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ⊆ wss 3220 ran crn 4775 ⟶wf 5373 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 |
| This proof depends on definitions: df-bi 117 df-f 5381 |
| This theorem is used by: difinfsn 7440 hashf1lem1 11285 ccatrn 11377 swrdrn 11429 pfxrn 11459 4sqlem11 13180 ennnfonelemfun 13308 ennnfonelemf1 13309 mhmima 13798 ghmrn 14060 conjnmz 14082 gsump1 14157 tgrest 15270 resttopon 15272 rest0 15280 cnrest2r 15338 cnptoprest2 15341 lmss 15347 txbasval 15368 upxp 15373 uptx 15375 hmeores 15416 unirnblps 15523 unirnbl 15524 lgseisenlem4 16192 uhgredgm 16377 upgredgssen 16380 umgredgssen 16381 edgupgren 16382 edgumgren 16383 |
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