Binary operation symbols. \pm \mp \times \div \ast \star \circ \bullet \cap \cup \uplus \cdot \sqcap \sqcup \vee \wedge \oplus \ominus \otimes \oslash \bigtriangleup \odot \lhd \dagger \bigtriangledown \bigcirc \rhd \ddagger \triangleleft \diamond \unlhd \setminus \triangleright \wr \unrhd \amalg