Final answer:
The truth of the statement cannot be determined without additional information about the exact order of performances after Kahlil's performance.
Step-by-step explanation:
The statement 'If Kahlil performs first, then Martin performs at some time before Paulo' cannot be concluded as true or false based on the given information. If we imagine the performance order as a timeline with Kahlil at the start, there's no information on whether Martin's or Paulo's performance is next. For example, we can have a scenario where Kahlil performs, followed by Paulo, and then Martin, which contradicts the statement. Conversely, we could have a scenario where Kahlil performs, then Martin, and lastly Paulo, which would make the statement true. For a definite answer, more specific information about the sequence of performances is required.