1+2=3

Question

1+2=3

BlackTom AI · Accepted Answer

Consider the proposition given: 1+2=3. This is a basic arithmetic addition assertion.
Option 1: True. Evaluating 1 plus 2 using standard integer addition yields 3, since combining one unit with two units results in three units in total. In most number systems, this is the foundational property of addition for natural numbers, and it aligns with the definition of the operation.
Option 2: False. This would assert that the sum of 1 and 2 is not 3. That contradicts the fundamental rule of addition, and would require redefining the operation or the values involved, which is inconsistent with basic arithmetic truths.
A quick sanity check can be done by counting objects: if you have one object and add two more, you can physically count three objects in total. This concrete demonstration supports the truth of the statement.
Another way to see it is by using a number line: starting at 1 and moving two steps to the right lands you at 3, which again confirms that 1+2 equals 3.
Therefore, option 1 correctly reflects the arithmetic fact, while option 2 contradicts the established outcome of the operation.

Mathematical Concept For Computing (082025-SPG) Level 1

1+2=3

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