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Eleonore Saint James

Jersey, Duchy Of Normandy

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37 votes

The art of proof summarizing. Are there known rules, or is it a purely common sense matter?

logic proof-writing soft-question asked Apr 24 at 14:16
math.stackexchange.com

15 votes

Why has Russell's definition of numbers using equivalence classes been finally abandoned? ( If it has actually been abandoned).

elementary-set-theory asked Apr 7 at 14:20
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13 votes

Examples of non trivial equivalence relations , I mean equivalence relations without the expression “ same … as” in their definition?

elementary-set-theory examples-counterexamples equivalence-relations asked Apr 27 at 11:20
math.stackexchange.com

10 votes

About an ambiguity that really prevents me from understanding the principle “ the laws of physics are invariant in all inertial frames”

classical-mechanics inertial-frames galilean-relativity asked Nov 9 at 20:48
physics.stackexchange.com

9 votes

When the direction of a movement changes, is the object at rest at some time?

kinematics acceleration velocity differentiation calculus asked Nov 9 at 19:36
physics.stackexchange.com

8 votes

Is there a general effective method to solve Smullyan style Knights and Knaves problems? Is the truth table method the most appropriate one?

logic propositional-calculus puzzle boolean-algebra asked May 26 at 12:29
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7 votes

On the Idea of a “Validity Calculus” Analogous to Probability Calculus

probability-theory logic propositional-calculus asked Oct 30 at 21:35
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6 votes

Is equality of two fractions ( like $2/10$ and $1/5$) really equality or equivalence?

elementary-set-theory logic arithmetic asked Apr 27 at 10:36
math.stackexchange.com


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