Internal and External Direct Product
See also: Internal direct sumSome authors draw a distinction between an internal direct product and an external direct product. If and, then we say that X is an internal direct product (of A and B); if A and B are not subobjects, then we say that this is an external direct product.
Read more about this topic: Direct Product
Famous quotes containing the words internal, external, direct and/or product:
“I have been amazed by the Anglo-Saxon’s lack of curiosity about the internal lives and emotions of the Negroes, and for that matter, any non-Anglo-Saxon peoples within our borders, above the class of unskilled labor.”
—Zora Neale Hurston (1891–1960)
“A tempest cracked on the theatre. Quickly,
The wind beat in the roof and half the walls.
The ruin stood still in an external world.
It had been real. It was something overseas
That I remembered, something that I remembered
Overseas, that stood in an external world.”
—Wallace Stevens (1879–1955)
“Parliament must not be told a direct untruth, but it’s quite possible to allow them to mislead themselves.”
—Norman Tebbit (b. 1931)
“The history is always the same the product is always different and the history interests more than the product. More, that is, more. Yes. But if the product was not different the history which is the same would not be more interesting.”
—Gertrude Stein (1874–1946)