## The new encyclopaedia Britannica: in 32 vol. Macropaedia, Accounting - Architecture, Volume 13 |

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Page 268

The universal

manipulation of Boolean polynomials. The tensor G = £ E, ® E, is independent of

the choice of the orthonormal basis (E) and is called the contravariant metric

tensor of ...

The universal

**mapping**definition of the exterior algebra Laws governingmanipulation of Boolean polynomials. The tensor G = £ E, ® E, is independent of

the choice of the orthonormal basis (E) and is called the contravariant metric

tensor of ...

Page 274

Many of the important applications of groups come from the fact that groups arise

naturally from one-to-one map-

Many of the important applications of groups come from the fact that groups arise

naturally from one-to-one map-

**Mappings**pings (sometimes called bijections). A**mapping**a of a set S into a set T may be considered a rule (or function) that ...Page 276

The

isomorphism because products are preserved (see 178) and also inverses are

preserved (see 179). In other words, one of the consequences of the Sylow

theorems ...

The

**mapping**(h)a = xr^hx from the subgroup H onto the subgroup x~lHx is anisomorphism because products are preserved (see 178) and also inverses are

preserved (see 179). In other words, one of the consequences of the Sylow

theorems ...

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