
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
If the function $f(x)= \begin{cases} -\cos \pi x, & x > 0 \\ f(x+1)+1, & x\leqslant 0 \end{cases}$, then the value of $f\left(- \dfrac {4}{3}\right)$ is \_\_\_\_\_\_.

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