What is the “phase space”?

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- * See Section 6.2 in <<la(Lectures+/L06-Small-Oscillations.pdf,this note)>>.
 * Also, see Section 19.2.1 in <<la(Lectures+/L09-IT-Nonlinear-Physics.pdf,this note)>>.
+ * See Section 6.2 in <<la(Lecture+/L06-Small-Oscillations.pdf,this note)>>.
 * Also, see Section 19.2.1 in <<la(Lecture+/L09-IT-Nonlinear-Physics.pdf,this note)>>.