
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 $\begin{tabular}{r|l}a&b \\ \hline c&d\end{tabular} = a \cdot d - b \cdot c$, calculate the value of $\begin{tabular}{r|l}4&5 \\ \hline 2&3\end{tabular}$.

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