# nullity

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**Matroid**— In combinatorics, a branch of mathematics, a matroid (  /ˈmeɪ …62

**Row space**— In linear algebra, the row space of a matrix is the set of all possible linear combinations of its row vectors. The row space of an m times; n matrix is a subspace of n dimensional Euclidean space. The dimension of the row space is called the… …63

**Defender of the Matrimonial Tie**— The Defender of the Bond, or Defensor Matrimonii in Latin, is a Catholic church official whose duty is to defend the marriage bond in the procedure prescribed for the hearing of matrimonial causes which involve the validity or nullity of a… …64

**Reordination**— is the second ordination of a cleric whose original ordination is questionable.HistoryThe Oratorian Jean Morin, in the seventeenth century, and Cardinal Hergenröther, in the nineteenth, designated as reordinations the history of all ordinations… …65

**Rank (graph theory)**— In graph theory, a branch of mathematics, the rank of an undirected graph is defined as the number n − c, where n is the number of vertices and c is the number of connected components of the graph. Equivalently, the rank of a graph is the rank of …66

**Appeals**— • The purpose of this article is to give a comprehensive view of the positive legislation of the Church on appeals belonging to the ecclesiastical forum; but it does not treat of the nature of the ecclesiastical forum itself nor of the rights of… …67

**Reordinations**— • The history of all ordinations which were considered null for any other reason than defect of the prescribed form or intention and which were repeated Catholic Encyclopedia. Kevin Knight. 2006. Reordinations Reordinations …68

**Validation of Marriage**— • May be effected by a simple renewal of consent when its nullity arises only from a defective consent in one or both parties Catholic Encyclopedia. Kevin Knight. 2006. Validation of Marriage Validation of Marriage …69

**List of linear algebra topics**— This is a list of linear algebra topics. See also list of matrices glossary of tensor theory. Contents 1 Linear equations 2 Matrices 3 Matrix decompositions 4 …70

**Choice of law**— Conflict of laws Preliminiarie …