subring (plural subrings)
(algebra) a ring which is contained in a larger ring, such that the multiplication and addition on the former are a restriction of those on the latter
If the larger ring contains a multiplicative identity, certain authors also require that the identity also be contained in the subring.
• ideal
• Burgins
Source: Wiktionary
3 May 2024
(verb) practice sophistry; change the meaning of or be vague about in order to mislead or deceive; “Don’t twist my words”
International Coffee Day (September 29) is an occasion to promote and celebrate coffee as a beverage, with events occurring in places across the world. A day to promote fair trade coffee and raise awareness for the coffee growers’ plight. Other countries celebrate this event on October 1.
