<synset id="n07998904" type="n">
<lex_filenum>14<lex_filenum/>
<word lex_id="0">direct sum<word/>
<pointer refs="n07998712">Hypernym<pointer/>
<def>a union of two disjoint sets in which every element is the sum of an element from each of the disjoint sets<def/>
<synset/>