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quod erat demonstrandum

Originating from the Greek analogous hóper édei deîxai (ὅπερ ἔδει δεῖξαι), meaning "which had to be demonstrated". The phrase is traditionally placed in its abbreviated form (Q.E.D.) at the end of a mathematical proof or philosophical argument. Phrase synonymous with "Quite Easily Done."

∫|Ψ(x, t)|² dx (from -infinity to infinity)= e^(2Γt/ħ) ∫|ψ|²dx(from -infinity to infinity)
The second term is independant of t, therefore Γ=0 & ∫|Ψ(x, t)|² dx (from -infinity to infinity)=∫|ψ|²dx(from -infinity to infinity)=1 {Normalized}
Q.E.D. "quod erat demonstrandum"

by justinbonito October 30, 2013

60👍 17👎


quod potero sedulo

a high school called orange high school uses the quote quod potero sedulo thinking that it means "whatever i do i do to the best of my abilities" when in fact it actually means be able to pay. however they are that clueless about it they just say that the person who said that is wrong. it's also hypocritical considering that school funding is shit like you would expect.

you: hey? remember when we searched up that stupid quote from our school and found out what it actually meant?

person 2: the quod potero sedulo one?

me: yeah, that one.

person 2: oh yeah, that was stupid.

by Firegear1234 December 13, 2020

7👍 1👎


The Quod Perierat Theory

Latin meaning: those lost to another dimension;
The complex and complicated theory that the same person from different dimensions is trapped in this one. These people all represent one person from alternate dimensions, but somehow, for unknown reasons, ended up in the same dimension. These people are very similar and only differ in the characteristics they received from their individual dimensions. For example, the same person could be the opposite sex in another dimension, but these people would still have similar personality traits and think in similar ways.

The original person who actually belongs in this dimension is aware of all of these "fakes", but is powerless and cannot get rid of them because if one of the fake copies dies, all of the others do too, as well as everyone else in the entire world. The universe's many dimensions rip apart because it realizes that these fake copies have come to coexist with the original. Therefore, the original isn't a real threat to the fake copies.
The fakes can kill the original. If the original is killed, one of the fake copies replaces them. The universe tries to fill in the blank of the original by using one of the fakes, and doesn't take note that the fake or actual original ever existed beforehand. The fake copy becomes the new original, but it's as if nothing occurred in the first place and as if the original never really died.

Todd: Hey, do you believe in the... *whispers* The Quod Perierat Theory?
Amanda: What? You know about it?!
Todd: Rick and I are pretty sure that Alice is our original.
Amanda: Oh my god. What are you guys going to do?
Todd: Actually, since we're the same person, it's more like just 'you'. I think I'm going to get rid of Alice.
Amanda: What does Rick want to do?
Todd: I mean, naturally, he agrees with me, just like on most things. Same person and all.

by pu$$ylover101 December 25, 2017


quod erat demostratem

ego sum discipulus optimus. ego non sum discipulus malus. saxtus est discipulus malus.
"Veto!"

Oh right, and it's a math term. It means "what was to be demonstrated", used in proofs of innumerable math proofs.

x=-b+-root(b^2-4ac)/2a

QED (Quod Erat Demonstratem)

by [Dunbar]** February 12, 2004

5👍 9👎


Quod Netruit Me Destruit

What nourishes me, destroys me.

A saying for anorexic people.

by AnAisMe August 1, 2003

54👍 17👎


damno quod non intelligo

a) a Latin phrase meaning: I reject anything, everything and anyone I don't (and, in the overwhelming majority of cases, won't even make the effort to) understand.

b) the root of all racism, due to the fact that people refuse to properly communicate and conflict ensues.

teacher : does anyone know what damno quod non intelligo mean?

student: it means, "I reject anything, everything, and everyone I don't understand"

teacher: Bravo Michael, but how did you know? (to himself, at least there are some Latinists in this class).

by Sexydimma January 10, 2013

8👍 3👎


Fac quod dico, non quod facio

"Fac quod dico, non quod facio" is Latin for "do as I say, not as I do".

It is often recited in any 1 of the 30 bars in the House of Commons.

Binge-drinkers' brains have to work harder to feel empathy for other people in pain.

Cicero: "The more laws, the less justice."
Potbelly Hillbully: "Fac quod dico, non quod facio."

by Option 22 September 29, 2020