I’m not sure what you mean by “Before this current set.”

Do you mean:

• teachings or scriptures before a certain time period?
• previous tirthankars before the current set of 24?
• something else entirely (like earlier messages, earlier kal, earlier chaturyug, etc.)?

Please write one full line explaining what you want to know, for example:

• “Tell me about the 24 Tirthankars before the current set of 24.”
• “Explain the time cycle (kāl) before the current era.”

Then I can answer properly.