Prove or Disprove That $$\overline { ( A - B ) } = \bar { A } \cup B \text { whenever } A \text { and } B \text { are sets. }$$

question 29

Essay

Prove or disprove that $$\overline { ( A - B ) } = \bar { A } \cup B \text { whenever } A \text { and } B \text { are sets. }$$

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Definitions:

Markdown Percentage

The reduction percentage applied to an item's retail price to stimulate sales or clear out inventory.

Hand-painted Stemware

Glassware for drinks that has been decorated by hand with paint, often featuring intricate designs or patterns.

List Price

The manufacturer's suggested retail price or the price at which a product is commonly sold to the public.

Markdown

is a reduction in the selling price of goods, often to clear old stock or respond to reduced demand.