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2 definitions found
 for Arithmetical progression
From The Collaborative International Dictionary of English v.0.48 :

  Progression \Pro*gres"sion\, n. [L. progressio: cf. F.
     progression.]
     [1913 Webster]
     1. The act of moving forward; a proceeding in a course;
        motion onward.
        [1913 Webster]
  
     2. Course; passage; lapse or process of time.
        [1913 Webster]
  
              I hope, in a short progression, you will be wholly
              immerged in the delices and joys of religion.
                                                    --Evelyn.
        [1913 Webster]
  
     3. (Math.) Regular or proportional advance in increase or
        decrease of numbers; continued proportion, arithmetical,
        geometrical, or harmonic.
        [1913 Webster]
  
     4. (Mus.) A regular succession of tones or chords; the
        movement of the parts in harmony; the order of the
        modulations in a piece from key to key.
        [1913 Webster]
  
     Arithmetical progression, a progression in which the terms
        increase or decrease by equal differences, as the numbers
        [lbrace2]2, 4, 6, 8, 1010, 8, 6, 4, 2[rbrace2] by the
        difference 2.
        [1913 Webster]
  
     Geometrical progression, a progression in which the terms
        increase or decrease by equal ratios, as the numbers
        [lbrace2]2, 4, 8, 16, 32, 6464, 32, 16, 8, 4, 2[rbrace2]
        by a continual multiplication or division by 2.
        [1913 Webster]
  
     Harmonic progression, a progression in which the terms are
        the reciprocals of quantities in arithmetical progression,
        as 1/2, 1/4, 1/6, 1/8, 1/10.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Arithmetical \Ar`ith*met"ic*al\, a.
     Of or pertaining to arithmetic; according to the rules or
     method of arithmetic.
     [1913 Webster]
  
     Arithmetical complement of a logarithm. See Logarithm.
  
     Arithmetical mean. See Mean.
  
     Arithmetical progression. See Progression.
  
     Arithmetical proportion. See Proportion.
        [1913 Webster]

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