matrix{
ccol{ {roman "xcap"} above {roman "xcirc"} above {roman "xcup"} above {roman "xdtri"} above {roman "xfr"} above {roman "Xfr"} above {roman "xharr"} above {roman "xhArr"} above {roman "xi"} above {roman "Xi"} above {roman "xlarr"} above {roman "xlArr"} above {roman "xmap"} above {roman "xnis"} above {roman "xodot"} above {roman "xopf"} above {roman "Xopf"} above {roman "xoplus"} above {roman "xotime"} above {roman "xrarr"} above {roman "xrArr"} above {roman "xscr"} above {roman "Xscr"} above {roman "xsqcup"} above {roman "xuplus"} above {roman "xutri"} above {roman "xvee"} above {roman "xwedge"} }
ccol{ union above \[u25ef] above inter above \[u25bd] above \[u1d535] above \[u1d51b] above \[u27f7] above \[u27fa] above xi above XI above \[u27f5] above \[u27f8] above \[u27fc] above \[u22fb] above \[u2a00] above \[u1d569] above \[u1d54f] above \[u2a01] above \[u2a02] above \[u27f6] above \[u27f9] above \[u1d4cd] above \[u1d4b3] above \[u2a06] above \[u2a04] above \[u25b3] above \[u22c1] above \[u22c0] }
}