It's a foregone conclusion that...

Meaning

It's certain to happen.

Examples

• John: Do you think the project will be successful?
• Alice: Yes, <b>it's a foregone conclusion that</b> we'll meet our goals given the team's expertise.
• John: I hope you're right. There's a lot riding on this.
• Alice: Absolutely. <b>It's a foregone conclusion that</b>, with the resources we have, success is inevitable.