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union of soft sets

Last-modified: 2012-02-13 (月) 17:52:27

Definition Edit

  • The union of two soft sets of (F , A) and (G , B) over the common universe U is the soft set (H, C), where C = A ∪ B and for all e ∈ C,


We write (F , A) ∪ (G, B) = (H, C).

Reference Edit

  • Maji P. K., Biswas R., Roy A. R., Soft set theory. (English summary) Comput. Math. Appl. 45 (2003), no. 4-5, 555-562.