Changes

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Interpreting the formula <math>\mathit{l}^\mathrm{w}\!</math> as <math>\mathrm{J} ~\text{loves}~ \mathrm{K} ~\Leftarrow~ \mathrm{K} ~\text{is a woman}</math> reveals the form of the converse implication inherent in it, and this evokes the analogy between implication and involution that accounts for the aptness of the latter name.

Interpreting the formula <math>\mathit{l}^\mathrm{w}\!</math> as <math>\mathrm{J} ~\text{loves}~ \mathrm{K} ~\Leftarrow~ \mathrm{K} ~\text{is a woman}</math> highlights the form of the converse implication inherent in it, and this in turn reveals the analogy between implication and involution that accounts for the aptness of the latter name.

{| align="center" cellspacing="6" width="90%"

{| align="center" cellspacing="6" width="90%"

1^1 & = & 1

1^1 & = & 1

\end{bmatrix}

\end{bmatrix}

\qquad\qquad

\qquad\qquad\qquad

\begin{bmatrix}

\begin{bmatrix}

0\!\Leftarrow\!0 & = & 1

0\!\Leftarrow\!0 & = & 1