Theorem of transition

In algebra, the theorem of transition is said to hold between rings $A\subset B$ if

References

• Matsumura, Hideyuki (1986). Commutative ring theory. Cambridge Studies in Advanced Mathematics. Vol. 8. Cambridge University Press. ISBN 0-521-36764-6. MR 0879273. Zbl 0603.13001. {{cite book}}: Invalid |ref=harv (help)