
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 a real number $a$ satisfying ${a}^{\frac{1}{2}}\leqslant 3$ and $\log _{a}3\leqslant \frac{1}{2}$.  
$(1)$ Find the range of real number $a$;  
$(2)$ If $a \gt 1$, $f\left(x\right)=mx^{a}+\ln \left(1+x\right)^{a}-a\ln \left(1-x\right)-2\left(m\in R\right)$, and $f(\frac{1}{2})=a$, find the value of $f(-\frac{1}{2})$.

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