What does it mean that a hypothesis must be testable? can a hypothesis be proven unquestionably true? why or why not?

A hypothesis must be testable because it needs to prove its veracity to be accepted. A hypothesis cannot be proved unquestionably true, because it is susceptible to errors and can present false information, which will be revealed through the tests.

Explanation:

Hypothesis is the assumption of something that may (or may not) be credible, that can be verified, from which a conclusion is drawn. Popularly, the term is used as a synonym for speculation, chance or possibility of something happening. In scientific and academic research, for example, a hypothesis corresponds to a possibility of explanation about a particular cause of study. An object of research can have several different hypotheses, and it is the responsibility of the researcher to put into practice experiences and other methods of verification to discover which hypotheses are most likely or true.

Thus, we can say that a hypothesis must be testable because it needs to prove its veracity to be accepted. A hypothesis cannot be proved unquestionably true, because it is susceptible to errors and can present false information, which will be revealed through the tests.