
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
The negation of the proposition "There exists a triangle whose sum of interior angles is not equal to 180 degrees" is equivalent to the statement "For all triangles, the sum of interior angles is equal to 180 degrees.

Present the answer in LaTex format: \boxed{Your answer}
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