dianebauerscd1980 dianebauerscd1980
  • 25-05-2023
  • Mathematics
contestada




Prove that if E is a countable set then the set EU {a} is also countable where a is an object not in E.

Respuesta :

Otras preguntas

You have been exercising for some time, which has made you sweat a lot. How is your endocrine system helping to conserve water in your body?
The best thing you can do to keep a positive relationship with your supervisor is a. keep your opinions to yourself. b. socialize with your supervisor and cow
In 1916, Woodrow Wilson ordered General John J. Pershing to lead U.S. troops into Mexico to capture a. Porfirio Diaz. b. Pancho Villa. c. Francisco Madero. d
Which word best describes Thomas Paine's tone in "The Crisis, No. 1"? A:mysterious B:pragmatic C:inspirational D:magnanimous E:elusive
An adjective can describe both a a. verb and an adjective. b. noun and a verb. c. noun and a pronoun. d. pronoun and an adjective.
How was life the same for African-Americans in the Reconstructed South after the war?
John is a new employee at International Widget. Having studied human relations, he's eager to understand the supervisory style employed by his immediate supervi
What is the LCM of two numbers of one number is a multiple of the other?Give an example.
What was the central element of religious services held by enslaved African Americans?
One of the major elements of natural selection is that all species have genetic a. digression b. Melanism c. stability d. variation