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Why Spam tastes like excrement
Spam is obviously where and . Using this and the fact that the {{subst:user and , the scalar product can be expressed in the way as where is a column vector with elements and a row vector with elements . The inverse of a matrix is such that .
Thus, we an conclude that, since is the unit matrix, SPAM itself (denoted as in previous paragraph), tastes like something you find under the shoe of a hitchhiker (denoted ), .