expression
presence or absence; whether something is there or not; whether something happens or not
Used in the pattern ...のあるなし to discuss the existence or occurrence of something. Often appears in analytical or comparative contexts.
経験のあるなしで、仕事の進め方が変わる。
The way you approach the work changes depending on whether you have experience or not.
この調査では、喫煙習慣のあるなしが健康に与える影響を調
This study examined the effect of having or not having a smoking habit on health.
有無 is a more formal, Sino-Japanese noun meaning 'existence or nonexistence' or 'presence or absence'. あるなし is a colloquial, kana-based expression used in everyday speech.
A compound of the verb ある (to exist, to be) and なし (classical form of ない, not exist). The pattern ...のあるなし is a set phrase meaning 'whether or not something exists/happens'.