
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 that $m$ and $n$ are two distinct lines, and $\alpha$, $\beta$, $\gamma$ are three distinct planes, consider the following statements:
① If $m \perpendicular \alpha$ and $m \perpendicular \beta$, then $\alpha \parallel \beta$;
② If $\alpha \perpendicular \gamma$ and $\beta \perpendicular \gamma$, then $\alpha \parallel \beta$;
③ If $m \subseteq \alpha$, $n \subseteq \beta$, and $m \parallel n$, then $\alpha \parallel \beta$;
④ If $m$ and $n$ are skew lines, $m \subseteq \alpha$, $m \parallel \beta$, $n \subseteq \beta$, and $n \parallel \alpha$, then $\alpha \parallel \beta$.

Among the above propositions, determine which are true.

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