Definition

1. Noun:

   • A supposition; a hypothesis: A proposition or idea that is assumed to be true, often temporarily, as a starting point for reasoning, argument, or scientific investigation. It is something taken for granted or postulated.
   • A premise: In logic and mathematics, a statement or condition that is accepted as true for the purpose of developing a theory or proving a theorem.

2. Verb (less common):

   • To suppose; to hypothesize: To tentatively assume something to be true for the sake of argument or explanation.

Usage Examples

• Noun:
  • Nhà khoa học đưa ra một giả thiết mới. (The scientist proposed a new hypothesis.)
  • Định lý này dựa trên ba giả thiết cơ bản. (This theorem is based on three fundamental premises.)
• Verb:
  • Chúng ta hãy giả thiết rằng điều đó là đúng. (Let us suppose that is true.)

Advanced Usage

• "Giả thiết ngược lại": The contrary hypothesis; the opposite assumption.
  • Hãy xem xét giả thiết ngược lại. (Consider the contrary hypothesis.)

Variants and Related Words

• Giả định (n): Assumption, postulate. Often used interchangeably with "giả thiết," though "giả định" can sometimes imply a more foundational or accepted assumption.

  • Đó chỉ là một giả định chưa được chứng minh. (That is just an unproven assumption.)

• Giả thuyết (n): Hypothesis, theory. Very close in meaning to "giả thiết," commonly used in scientific contexts.

  • Giả thuyết này cần được kiểm tra bằng thực nghiệm. (This hypothesis needs to be tested experimentally.)

Synonyms

• Hypothesis: A proposed explanation made on the basis of limited evidence.
• Supposition: An uncertain belief.
• Premise: A previous statement or proposition from which another is inferred.
• Assumption: A thing that is accepted as true without proof.

Related Idioms

• Đặt ra giả thiết: To put forward a hypothesis.
  • Bước đầu tiên là đặt ra giả thiết. (The first step is to put forward a hypothesis.)

1. Suppose
2. Supposition