`Reaction equations` (PPT 205kB)
... what are the formulae of its ions? Products:+ 2Na 4H- 2O Na and OH ...
... what are the formulae of its ions? Products:+ 2Na 4H- 2O Na and OH ...
Worksheet I: What is a proof (And what is not a proof)
... A paradox also known as the surprise examination paradox or prediction paradox. A prisoner is told that he will be hanged on some day between Monday and Friday, but that he will not know on which day the hanging will occur before it happens. He cannot be hanged on Friday, because if he were still al ...
... A paradox also known as the surprise examination paradox or prediction paradox. A prisoner is told that he will be hanged on some day between Monday and Friday, but that he will not know on which day the hanging will occur before it happens. He cannot be hanged on Friday, because if he were still al ...
Chapter 1
... 2.4.1.1. 2 is a symbol, it is NOT a number – numbers are abstract ideas 2.4.1.2. Symbol representing a number is numeral – sometimes called the name of the number 2.4.1.3. Using numerals to communicate all of the numbers requires some systematic method 2.4.1.4. Definition of a numeration system: A n ...
... 2.4.1.1. 2 is a symbol, it is NOT a number – numbers are abstract ideas 2.4.1.2. Symbol representing a number is numeral – sometimes called the name of the number 2.4.1.3. Using numerals to communicate all of the numbers requires some systematic method 2.4.1.4. Definition of a numeration system: A n ...
Proofs • A theorem is a mathematical statement that can be shown to
... • A theorem is a mathematical statement that can be shown to be true. • An axiom or postulate is an assumption accepted without proof. • A proof is a sequence of statements forming an argument that shows that a theorem is true. The premises of the argument are axioms and previously proved theorems. ...
... • A theorem is a mathematical statement that can be shown to be true. • An axiom or postulate is an assumption accepted without proof. • A proof is a sequence of statements forming an argument that shows that a theorem is true. The premises of the argument are axioms and previously proved theorems. ...
