Moving Mirror Proves Einstein Wrong

[YBM]

p xor q => p or q, dumby? Explain us what this is not true.

Easy as 1,2,3, 4.
1) (FALSE xor FALSE) = TRUE

Ahem...

Bad cough you have there.

What is F xor F again, "Dr" Parker?
What is F => T again, "Dr" Parker?

Just one counterexample is all that is needed to blow your idiotic
theory out of the water, shithead, and waldofj has given you one.

He didn't, neither did you, look again at the truth tables for
xor and implies. Do you understand what a truth table means
Mr Parker, wannabe "electrical engineer, professionnaly"?
Looks like you spitted again a few times on Wendy Parker's memory
today, "Dr" John Parker.

Oh dear, you've spelt "professionally" with two ns. Not
too good at getting your facts right, are you, local village idiot?

Wendy Parker's father, evading as the asshole he've always been.

[YBM]

From: http://mathworld.wolfram.com/Implies.html
A=>B has the following truth table (Carnap 1958, p. 10; Mendelson 1997,
p. 13).
A B A=>B
T T T
T F F
F T T
F F T

For the record, "implies" is "if A then B"
or
if A = TRUE then B = TRUE.

This is meaningless, il looks like the BASIC if/then
statement which is here 1) irrelevant and 2) not
even correct since "=" would have different meaning behing
"IF" (equality) and "THEN" (variable set).

If it rains I'll take my umbrella.
IF "it rains" = TRUE THEN "I'll take my umbrella" = TRUE.
"It rains" (A) "I'll take my umbrella" (B) A=>B
T T T
T F F
F T undefined.
F F undefined.

So you pretend that Wolfram MathWorld (and Carnap et all) is wrong about
basic boolean logic ?

Taking my umbrella when it doesn't rain is valid.
IF I do not take my umbrella THEN it will not rain.
I can neither cause rain nor not cause rain by carrying
an umbrella as Carnap and Mendelson seem to imagine.

Unable to admit being wrong even when proven so, Parker? Wendy would
have been very sad to see his father to be such a asshole.
Anyway, she probably knew that.

There speaks the successful local village idiot, "professionnaly".

Wendy Parker's father, evading as the asshole he've always been.