logically unsound

See: illogical
References in periodicals archive ?
It is logically unsound to claim creation of X number of jobs when money spent on necessary infrastructure to benefit the majority of people would provide these.
To the Editor: Normally I would have spared myself the effort and energy to react to the logically unsound, factually incorrect and bizarre editorial comment or article by J P de V van Niekerk, (1) Managing Editor of the South African Medical Journal, lest the true saying that arguing with unsound propositions might drag one to the pitiful valley of unsoundness and make people not to notice the difference, ring true in this context.
Whitehead elucidates why this core values debate is so important in the Ninth Circuit (and beyond), and concludes it is logically unsound to attribute the Northwest logging industry's decline to judicial injunctions on timber sales.
If you look at his essay as though it were an attempt to disprove creation or intelligent design, it was a weak and logically unsound argument.
The contributors argue, in their treatments of several different issues, that Marx's analysis of capitalism is not logically unsound as claimed by his critics.