The phrase "all fallacious" is correct and usable in written English.
It can be used to describe something that is entirely based on false reasoning or misleading arguments.
Example: "The claims made in the article were all fallacious, lacking any credible evidence to support them."
Alternatives: "entirely misleading" or "completely erroneous".
That more or less takes care of the movie's subject, which is either a somewhat or not at all fallacious account of the life of Graham Chapman (born in Britain in 1941), one of the six members of that landmark comedy troupe.
Contrary to certain modern attempts to reduce all fallacious reasoning to either errors of logical form or linguistic imprecision, Aristotle insists that, as important as form and language are, certain types of false reasoning derive their persuasiveness from mistaken beliefs about the nature of language and the nature of the world.
This is a complete fabrication – read the independent bankers' report or look at the recent paper by Anat Admati and Martin Hellwig, "The Parade of the Bankers Neww Clothes Continues: 23 Flawed Claims Debunked," which goes in detail through all the fallacious arguments that have surfaced in response to their recent book, "The Bankers New Clothess".
Women who have suffered harassment need to know that the old cliches, such as "all men are alike" or "all men want the same thing" are fallacious.
Similarly, you may be an atheist because you think all arguments for God's existence are obviously fallacious.
For example, the argument that since all the bricks in the wall are small, the wall is small, is fallacious.
All of these assertions are mostly reactionary and ultimately fallacious.
The metaphor is fallacious.
It was completely fallacious.
But this reasoning is fallacious.
Alexander's second equation is completely fallacious.
