b'\n_START_ARTICLE_\nDisjunc\xc8\x9bie logic\xc4\x83\n_START_SECTION_\nReuniune\n_START_PARAGRAPH_\nApartenen\xc8\x9ba unui element din mul\xc8\x9bimea reuniune a dou\xc4\x83 mul\xc8\x9bimi oarecare este descris\xc4\x83 \xc3\xaen termeni de disjunc\xc8\x9bie logic\xc4\x83: x \xe2\x88\x88 A \xe2\x88\xaa B dac\xc4\x83 \xc8\x99i numai dac\xc4\x83 (x \xe2\x88\x88 A) \xe2\x88\xa8 (x \xe2\x88\x88 B).Astfel disjunc\xc8\x9bia logic\xc4\x83 satisface majoritatea identit\xc4\x83\xc8\x9bilor satisf\xc4\x83cute \xc8\x99i de reuniunea din teoria mul\xc8\x9bimilor, precum asociativitate, comutativitate, distributivitate \xc8\x99i Legile lui de Morgan.'