Sentence examples similar to unsound justification from inspiring English sources

Ashers' religious justifications are, to my mind, theologically unsound.

The industry has already been dogged by contentions that the main justification for policies supporting biofuels -- that they are greener than fossil-based products -- is unsound.

Further, I might be a priori justified in believing the conclusion of some mathematical proof I have constructed, but that justification can be defeated by the testimony of excellent mathematicians who tell me that the proof is unsound.

His mind's unsound.

The foundations were unsound.

Full schedule: unsound.pl.pl

It is unsound.

Perhaps the structure was unsound.

"Unsound" came out just last summer.

Breed unsound horses and you get unsound horses.

But was it really unsound?