The difference between Antecedent and Precursor

When used as nouns, antecedent means any thing that precedes another thing, especially the cause of the second thing, whereas precursor means that which precurses: a forerunner, predecessor, or indicator of approaching events.

When used as adjectives, antecedent means earlier, either in time or in order, whereas precursor means of intersymbol interference: caused by the following symbol.

check bellow for the other definitions of Antecedent and Precursor

  1. Antecedent as an adjective:

    Earlier, either in time or in order.

    Examples:

    "an event antecedent to the Biblical Flood"

    "an antecedent cause"

  2. Antecedent as an adjective:

    Presumptive.

    Examples:

    "an antecedent improbability"

  1. Antecedent as a noun:

    Any thing that precedes another thing, especially the cause of the second thing.

  2. Antecedent as a noun:

    An ancestor.

  3. Antecedent as a noun (grammar):

    A word, phrase or clause referred to by a pronoun.

  4. Antecedent as a noun (logic):

    The conditional part of a hypothetical proposition, i.e. p \rightarrow q, where p is the antecedent, and q is the consequent.

  5. Antecedent as a noun (logic):

    The first of two subsets of a sequent, consisting of all the sequent's formulae which are valuated as true.

    Examples:

    "rfex en"

  6. Antecedent as a noun (math):

    The first term of a ratio, i.e. the term a in the ratio a:b, the other being the consequent.

  7. Antecedent as a noun (mostly, in the plural):

    Previous principles, conduct, history, etc.

  1. Precursor as a noun:

    That which precurses: a forerunner, predecessor, or indicator of approaching events.

  2. Precursor as a noun (chemistry):

    One of the compounds that participates in the chemical reaction that produces another compound.

  1. Precursor as an adjective (telecommunications):

    Of intersymbol interference: caused by the following symbol.

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