Dictionary English – logic/formal symbols/expresssions?

What are the symbols in logic?

Basic logic symbols

Symbol Unicode value (hexadecimal) Logic Name
⇒ → ⊃ U+21D2 U+2192 U+2283 material implication
⇔ ≡ ↔ U+21D4 U+2261 U+2194 material equivalence
¬ ˜ ! U+00AC U+02DC U+0021 negation
U+1D53B Domain of discourse

What are logical operators symbols?

The logical operators *AND and *OR specify the relationship between operands in a logical expression. The logical operator *NOT is used to negate logical variables or constants. *AND and *OR are the reserved values used to specify the relationship between operands in a logical expression.

What is formal logic and examples?

A common example of formal logic is the use of a syllogism to explain those connections. A syllogism is form of reasoning which draws conclusions based on two given premises. In each syllogism, there are two premises and one conclusion that is drawn based on the given information.

What does ∼ mean in logic?

It’s not true that

We use the symbol ∼ to stand for the words “It’s not true that,” so ∼ P means “It’s not true that P.” We often read ∼ P simply as “not P.” Unlike ∧ and ∨, which combine two statements, the symbol ∼ just alters a single statement. Thus its truth table has just two lines, one for each possible truth value of P.

What is this symbol in English?

Signs & Symbols List

: –> Colon
/ –> Slash
! –> Exclamation Mark
> –> Greater Than
< –> Less Than

What does ∨ mean in logic?

inclusive disjunction

The symbol ” ∨ ” signifies inclusive disjunction: a ∨ statement is true whenever either (or both) of its component statements is true; it is false only when both of them are false. (See the truth-table at right.)

What is formal logic?

formal logic, the abstract study of propositions, statements, or assertively used sentences and of deductive arguments. The discipline abstracts from the content of these elements the structures or logical forms that they embody.

What is formal and informal logic?

Formal Logic and Informal Logic

Douglas Walton: Formal logic has to do with the forms of argument (syntax) and truth values (semantics). . . . Informal logic (or more broadly argumentation)), as a field, has to do with the uses of argumentation in a context of dialogue, an essentially pragmatic undertaking.

What is formal logic method?

Definition: “Mathematically based techniques for the specification, development and verification of software and hardware systems.” In particular, we will examine methods based upon formal logics. But why? Formal logics are mathematical notations with well understood, and clear, semantics.

What is this symbol * called?

This table contains special characters.

Symbol Name of the symbol Similar glyphs or concepts
* Asterisk Asterism, Dagger
Asterism Dinkus, Therefore sign
@ At sign
\ Backslash Slash (Solidus) (/)

What do you mean by phonetic symbols?

Definitions of phonetic symbol. a written character used in phonetic transcription of represent a particular speech sound. type of: character, grapheme, graphic symbol. a written symbol that is used to represent speech.

What is symbol and examples?

Symbols take the form of words, sounds, gestures, ideas, or visual images and are used to convey other ideas and beliefs. For example, a red octagon is a common symbol for “STOP”; on maps, blue lines often represent rivers; and a red rose often symbolizes love and compassion.

What does this symbol ↔ represent?

Logic math symbols table

Symbol Symbol Name Meaning / definition
equivalent if and only if (iff)
for all
there exists
there does not exists

What are the five basic logical connectives?

The Five (5) Common Logical Connectives or Operators

  • Logical Negation.
  • Logical Conjunction (AND)
  • Logical Disjunction (Inclusive OR)
  • Logical Implication (Conditional)
  • Logical Biconditional (Double Implication)

What are symbols called?

This table contains special characters.

Symbol Name of the symbol Similar glyphs or concepts
& Ampersand plus sign
⟨ ⟩ Angle brackets Bracket, Parenthesis, Greater-than sign, Less-than sign
‘ ‘ Apostrophe Quotation mark, Guillemet, Prime, Grave
* Asterisk Asterism, Dagger

What does ⋅ mean?

× multiplication sign

The ⋅ is the same as the × multiplication sign, but it is often used in mathematical notations to prevent possible confusion with the letter ‘x’. e.g. y × x is often written as y ⋅ x. ÷ Division, divide. This is used to indicate that one number is divided by another, e.g. 3 ÷ 2 = 1.5.

What is meant by 10?

ten, 10, X, tenner, decadeadjective. the cardinal number that is the sum of nine and one; the base of the decimal system. ten, 10, xadjective. being one more than nine.

What exclamation mark means?

Definition of exclamation point

1 : a mark ! used especially after an interjection or exclamation to indicate forceful utterance or strong feeling. 2 : a distinctive indication of major significance, interest, or contrast the game put an exclamation point on the season. — called also exclamation mark.

What is DOS short for?

A DOS, or disk operating system, is an operating system that runs from a disk drive. The term can also refer to a particular family of disk operating systems, most commonly MS-DOS, an acronym for Microsoft DOS.

What does DHHS stand for?

U.S. Department of Health and Human Services

U.S. Department of Health and Human Services.

What is a DPS?

DPS is an acronym that means damage per second in multiplayer online gaming. It’s used both as a noun (a weapon type, class, or a character capable of massive damage) and as an adjective to describe a weapon’s capability.

What is mol stand for?


Acronym Definition
MOL More Or Less
MOL Mole
MOL Memorandum of Law
MOL Ministry of Labour

What is the symbol for mole?


The Mole in Current Textbooks
The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12; its symbol is “mol”.

Is mol a Scrabble word?

Yes, mol is in the scrabble dictionary.

How do you spell mol?

  1. mol. the chemical symbol for. mole³
  2. mol. abbreviation for. molecular. molecule.
  3. mol. [ mōl ]
  4. What is the correct acronym for ACM?

    ACM (Association for Computing Machinery)

    How many atoms are in a mole?

    6.022 × 1023 atoms

    The value of the mole is equal to the number of atoms in exactly 12 grams of pure carbon-12. 12.00 g C-12 = 1 mol C-12 atoms = 6.022 × 1023 atoms • The number of particles in 1 mole is called Avogadro’s Number (6.0221421 x 1023).