
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
Let each of  $m$  distinct points on the positive part of the  $x$ -axis be joined to  $n$  distinct points on the positive part of the  $y$ -axis. Obtain a formula for the number of intersection points of these segments, assuming that no three of the segments are concurrent.

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