What is the meaning of As_much_as?

Practically, just as, no less than; indicates an action tantamount to, but not identical to, the action described.

So much as, even.

Used other than figuratively or idiomatically: see as, much.

Used to say that two things are equal in amount or degree

Used to say that an amount is as large as another amount

Even though; despite the fact that; much as.

Source: wiktionary.org