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Algorithm Logic Help: IF statement

Greetings PowerAutomate Community,

I have a SharePoint list with seven (7) columns, each with checkbox inputs that can be selected by users. If any two (2) or more of these seven (7) checkboxes are selected simultaneously and saved to the list, an email notification needs to be triggered. I am using PowerAutomate to build the email notification.

For the life of me, I cannot quite figure out an elegant way to represent the trigger statement (any two or more items selected out of seven) using IF/ELSE/AND statements in PowerAutomate. I am adamantly sure that I'm missing something blindingly obvious, and it's driving me nuts!

My logic so far:

Mathematically, selecting 2 from 7 would amount to a combination, as the order in which the items are chosen does not matter. Using the combinatorics formula, we have 7C2 = 7! / 2! x (7 - 2)! = 21. Meaning there are a MINIMUM of 21 different ways that can lead to the email getting trigged. This doesn't account for all of the cases when MORE than two (2) items are selected.

My question:

Is there a way to count selections on checkboxes on the fly, so that the trigger can easily coded in? A counter variable trigger on > 2 would be the most obvious way to get it done in a programming language, but I'm stuck in PowerAutomate.

Grateful for any help that can be provided.

Thank you!

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