
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
Given are the following four propositions:
1. The inverse proposition of "If X+Y=0, then X and Y are opposites of each other";
2. The negation of "The areas of congruent triangles are equal";
3. The contrapositive of "If q≤1, then the equation $x^2+2x+q=0$ has real roots";
4. The inverse proposition of "A scalene triangle has three equal interior angles".

Among these, the true propositions are _____.

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