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) .