\newcommand*\ld@lt[1]{\setrellink{<}{#1}{}}
\newcommand*\ld@minus[1]{\setbinlink{-}{#1}{}}
\newcommand*\ld@lnot[1]{\setoplink{\lnot}{#1}{}}
\newcommand*\ld@lt[1]{\setrellink{<}{#1}{}}
\newcommand*\ld@minus[1]{\setbinlink{-}{#1}{}}
\newcommand*\ld@lnot[1]{\setoplink{\lnot}{#1}{}}