Projection sentence (disambiguation)

Projection phrase (from Latin proicere , "to throw forward") stands for

• a set of geometry that relates certain side lengths and angles in a triangle, see the Trigonometry formula collection # projection theorem
• a generalization of the cathet set, see projection set (triangle)
• a set of functional analysis for the existence and uniqueness of orthogonal decompositions, see projection theorem
• a theorem of theoretical computer science, which provides a sufficient criterion for undecidability, see projection theorem (computer science) .

This is a disambiguation page for differentiating between several terms identified with the same word.