− | : A ''literal'' is one of the <math>2k\!</math> propositions <math>x_1, \ldots, x_k, (x_1), \ldots, (x_k),</math> in other words, either a ''posited'' basic proposition <math>x_j\!</math> or a ''negated'' basic proposition <math>(x_j),\!</math> for some <math>j = 1 ~\text{to}~ k.</math> | + | : A ''literal'' is one of the <math>2k\!</math> propositions <math>x_1, \ldots, x_k, \texttt{(} x_1 \texttt{)}, \ldots, \texttt{(} x_k \texttt{)},</math> in other words, either a ''posited'' basic proposition <math>x_j\!</math> or a ''negated'' basic proposition <math>\texttt{(} x_j \texttt{)},</math> for some <math>j = 1 ~\text{to}~ k.</math> |