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Mirrors > Home > ILE Home > Th. List > frn | GIF version |
Description: The range of a mapping. (Contributed by NM, 3-Aug-1994.) |
Ref | Expression |
---|---|
frn | ⊢ (𝐹:𝐴⟶𝐵 → ran 𝐹 ⊆ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-f 5135 | . 2 ⊢ (𝐹:𝐴⟶𝐵 ↔ (𝐹 Fn 𝐴 ∧ ran 𝐹 ⊆ 𝐵)) | |
2 | 1 | simprbi 273 | 1 ⊢ (𝐹:𝐴⟶𝐵 → ran 𝐹 ⊆ 𝐵) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ⊆ wss 3076 ran crn 4548 Fn wfn 5126 ⟶wf 5127 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 |
This theorem depends on definitions: df-bi 116 df-f 5135 |
This theorem is referenced by: frnd 5290 fco2 5297 fssxp 5298 fimacnvdisj 5315 f00 5322 f0rn0 5325 f1rn 5337 f1ff1 5344 fimacnv 5557 ffvelrn 5561 f1ompt 5579 fnfvrnss 5588 rnmptss 5589 fliftrel 5701 fo1stresm 6067 fo2ndresm 6068 1stcof 6069 2ndcof 6070 fo2ndf 6132 tposf2 6173 iunon 6189 smores2 6199 map0b 6589 mapsn 6592 f1imaen2g 6695 phplem4dom 6764 isinfinf 6799 updjudhcoinlf 6973 updjudhcoinrg 6974 casef 6981 unirnioo 9786 frecuzrdgdomlem 10221 frecuzrdgfunlem 10223 frecuzrdgtclt 10225 ennnfonelemrn 11968 ctinf 11979 txuni2 12464 blin2 12640 tgqioo 12755 reeff1o 12902 |
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