Math-geometry

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Given the argument and its Euler diagram below, determine whether the syllogism is valid or invalid.

All roads come to an end.
Carrollton Avenue is a road.
Carrollton Avenue comes to an end.

  • Math-geometry -

    I'm assuming that this is your Euler diagram:

    Carrollton Ave is part of the set of all roads.
    If it is a road, then it must come to an end.

    Here is a similar example.

    All parallelograms are quadrilaterals.
    Squares are parallelograms.

    You can conclude that squares are quadrilaterals.

  • Math-geometry -

    Valid

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