having exactly the same size and shape Contrast this definition with that of the word similar Similar figures have exactly the same shape, but they might be of different sizes conic sections a group of curves that are formed by passing a plane through a cone Examples of conic sections include curved lines, circles, parabolas, ellipses, and hyperbolas
n conforming to the rules of lambda list congruency, as detailed in section Congruent Lambda-lists for all Methods of a Generic Function
two triangles are congruent iff (if and only if) their vertices can be matched up so that the corresponding parts (both angles and sides) are equal in measure
n conforming to the rules of lambda list congruency, as detailed in 7 6 4 Congruent Lambda-lists for all Methods of a Generic Function @IGindex{cons}
n conforming to the rules of lambda list congruency, as detailed in section Congruent Lambda-lists for all Methods of a Generic Function @IGindex{cons}