Deductive Reasoning Aficionado T-Shirts

"Yeah...it's grass alright! Just as I suspected!"

Victoria's pre-marriage questionnaire continues...'Can I get input from the guys at the bar on this one?'

"On the contrary, Bosworth, it's YOU who has lost all perspective."

Man read's Newton's 'Philosophiae Naturalis Principa Mathematica' and says: 'Blimey Isaac, this is, er, pretty heavy stuff.'

"...and to save you time, anything I say that comes back to haunt me, was something taken out of context."

"The vote is tied. Half of us think the proposed plan is astoundingly asinine, and the other half finds it stupid beyond belief. Let's try to find a middle ground here, people!"

Capital

"Good heavens, Holmes! How did you deduce that I had recently lost my reading glasses?"

''Relativity,' you say? — Well, it can't be any worse than your 'speed bump' theory.'

Illogic Tree

"This gives me a remarkable idea - tempered only by the realization that Archimedes, discovered the principle of specific gravity 200 years ago."

'Every time I win an argument, he goes off on a Crusade to sulk.'

"I don't get it. I only had a couple of beers in the pub last night, but I've got a splitting headache this morning."

'Well, it looks like the 'yea' has it.'

"Friends, Romans, countrymen, heterosexuals, homosexuals, bisexuals, transgender. . ."

'Sir, what's this big once in a lifetime nonnegotiable deduction?'

"Finally I've been given some real authority. I get to choose what roast we order."

August Comte

'They've been like this ever since Mary presented her report. It's the worst case of paralysis by analysis I've ever seen!'

Occasionally, when logic and rational inferences based on experience were not enough, Plato and Aristotle would resort to settling their discourse by other means.

'Or we can go with trial-and-error.'

'Looks like these little critters are not asexual after all.'

"Ah Watson, reducing your taxes was simplicity itself. They were but elementary deductions."

"I'm sorry, Mr. Holmes, but we just can't allow all these deductions."

"A big decision has to be made. Assemble all my 'yes' men."

'Water? Still? Sparkling? Mountain? Hill? Bottle? Tap? Warm? Cold? Ice? Lemon?'

"I never dreamed my fun data analysis hobby would one day turn into a career."

"I lost my management position in waste control because I refused to make trashy decisions."

Leibniz

"I'd rather hold off on making a decision until we have a better excuse to not make any decision at all."

IRS, 'Here's your refund, sir, minus postage and handling.'

Lady and poet arguing wittily

Violin

Football foul (red card).

"Bigger isn't always better. Unless we're talking deductions."