Logic is a method of reasoning that involves a series of statements, each of which must be true if the statement before it is true.
Students learn forensic medicine, philosophy and logic.
Synonyms: science of reasoning, deduction, dialectics, argumentation More Synonyms of logic
2. uncountable noun
The logic of a conclusion or an argument is its quality of being correct and reasonable.
I don't follow the logic of your argument. [+ of]
There would be no logic in upsetting the agreements. [+ in v-ing]
Synonyms: connection, rationale, coherence, relationship More Synonyms of logic
3. uncountable noun [oft adjective NOUN]
A particular kind of logic is the way of thinking and reasoning about things that is characteristic of a particular type of personor particular field of activity.
The plan was based on sound commercial logic.
Synonyms: reason, reasoning, sense, good reason More Synonyms of logic
logic in British English
(ˈlɒdʒɪk)
noun
1.
the branch of philosophy concerned with analysing the patterns of reasoning by which a conclusion is properly drawn from a set of premises, without reference to meaning or context
See also formal logic, deduction (sense 4), induction (sense 4)
2.
any particular formal system in which are defined axioms and rules of inference
Compare formal system, formal language
3.
the system and principles of reasoning used in a specific field of study
4.
a particular method of argument or reasoning
5.
force or effectiveness in argument or dispute
6.
reasoned thought or argument, as distinguished from irrationality
7.
the relationship and interdependence of a series of events, facts, etc
8. chop logic
9. electronics, computing
a.
the principles underlying the units in a computer system that perform arithmetical and logical operations
See also logic circuit
b.
(as modifier)
a logic element
Word origin
C14: from Old French logique from Medieval Latin logica (neuter plural, treated in Medieval Latin as feminine singular), from Greek logikos concerning speech or reasoning
logic in American English
(ˈlɑdʒɪk)
noun
1.
the science of correct reasoning; science which describes relationships among propositions in terms of implication, contradiction, contrariety, conversion, etc.
see also symbolic logic
2.
a book dealing with this science
3.
correct reasoning; valid induction or deduction
the lack of logic in his scheme
4.
way of reasoning, whether correct or incorrect
to use faulty logic
5.
the system of principles underlying any art or science
6.
necessary connection or outcome, as through the working of cause and effect
the logic of events
7.
the systematized interconnection of switching functions, circuits, or devices, as in electronic computers
Word origin
ME logike < OFr logique < L logica < Gr logikē (technē), logical (art) < logikos, of speaking or reasoning < logos, a word, reckoning, thought < legein, to speak, choose, read < IE base *le-, to gather > L legere, to collect, OE læce, leech1
Examples of 'logic' in a sentence
logic
There is sound logic to some of the services.
Times, Sunday Times (2006)
It has also said there is a strong commercial logic to combining the two companies.
Times, Sunday Times (2014)
Which is where logic and compelling argument meet vested interest and political error.
Times, Sunday Times (2015)
Try not to join them in their own system of faulty logic!
Pearce, Dr John Families and Friends - how to help your child form happy relationships. (1989)
We should follow the same logic for whiplash and similar claims.
Times, Sunday Times (2012)
There must be a logic to this but it escapes me.
Times, Sunday Times (2008)
There is sound logic in combining the businesses.
Times, Sunday Times (2014)
What is the logic of his argument?
Goshgarian, Gary Exploring language (6th edn) (1995)
There was neither logic nor system in their approach.
Times, Sunday Times (2014)
Utopia has to follow its own logic.
Times, Sunday Times (2007)
There is logic to the argument that the pair are effective.
Times, Sunday Times (2012)
The logic behind this system was to avoid the possibility of direct corruption.
John Foot Calcio: A History of Italian Football (2006)
The pressure to follow through the logic of a gas and electricity price freeze would be strong.
Times, Sunday Times (2013)
There is a crude logic to this argument.
Times, Sunday Times (2014)
It can only deal with problems constructed in accordance with the logic of the system itself.
de Haan, Willem The Politics of Redress - crime, punishment and penal abolition (1989)
The twisted logic runs as follows.
Times, Sunday Times (2011)
They will say that to attack their architecture is to ignore commercial logic and deny others a right to their own tastes.
Times, Sunday Times (2006)
The logic is sound, but they are fighting a losing battle.
Times, Sunday Times (2007)
There was at least some commercial logic to the Co-op deals.
Times, Sunday Times (2013)
The expectation appears wrong, but it was based on sound logic.
Times, Sunday Times (2007)
A win for sporting integrity over commercial logic?
Times, Sunday Times (2012)
That a subsidised arts organisation should be dabbling in commercial takeovers raised a few eyebrows, but the logic is sound.
Times, Sunday Times (2007)
The high gold price, if it has any logic, must reflect inflationary fears.
Times, Sunday Times (2009)
Is this a plot to keep the poor in their place, or the effect of the chop logic course in PPE?
Times, Sunday Times (2014)
In other languages
logic
British English: logic NOUN
Logic is a way of working things out, by saying that one fact must be true if another fact is true.
The students learn forensic medicine, philosophy and logic.
American English: logic
Brazilian Portuguese: lógica
Chinese: 逻辑 >学
European Spanish: lógica
French: logique
German: Logik
Italian: logica
Japanese: 論理学
Korean: 논리학
European Portuguese: lógica
Latin American Spanish: lógica
Chinese translation of 'logic'
logic
(ˈlɔdʒɪk)
n(u)
(Philosophy) 逻(邏)辑(輯) (luóji)
(= judgment) 逻(邏)辑(輯)性 (luójixìng)
1 (noun)
Definition
a particular system of reasoning
Students learn philosophy and logic.
Synonyms
science of reasoning
deduction
`How did you guess?' `Deduction,' he replied.
dialectics
argumentation
ratiocination
syllogistic reasoning
2 (noun)
Definition
the interdependence of a series of events or facts
I don't follow the logic of your argument.
Synonyms
connection
There is no evidence of any connection between the two events.
rationale
the rationale for punishment
coherence
the political structure which can lend coherence to a global enterprise
relationship
the relationship between culture and power
link
They hope to cement close links with Moscow.
chain of thought
3 (noun)
Definition
reasoned thought or argument, as distinguished from irrationality
The plan was based on sound commercial logic.
Synonyms
reason
a conflict between emotion and reason
reasoning
the reasoning behind the decision
sense
There's no sense in pretending this doesn't happen.
good reason
good sense
sound judgment
Additional synonyms
in the sense of coherence
the political structure which can lend coherence to a global enterprise
Synonyms
consistency,
rationality,
concordance,
consonance,
congruity,
union,
agreement,
connection,
unity,
correspondence
in the sense of deduction
Definition
a process of reasoning by which a conclusion necessarily follows from a set of general premises
`How did you guess?' `Deduction,' he replied.
Synonyms
reasoning,
thinking,
thought,
reason,
analysis,
logic,
cogitation,
ratiocination
in the sense of link
Definition
an emotional or logical relationship between people or things
They hope to cement close links with Moscow.
Synonyms
relationship,
association,
tie,
bond,
connection,
attachment,
liaison,
affinity,
affiliation
Synonyms of 'logic'
logic
Explore 'logic' in the dictionary
Additional synonyms
in the sense of rationale
Definition
the reason for an action or belief
the rationale for punishment
Synonyms
reason,
grounds,
theory,
principle,
philosophy,
logic,
motivation,
exposition,
raison d'être
in the sense of reasoning
Definition
the process of drawing conclusions from facts or evidence
the reasoning behind the decision
Synonyms
thinking,
thought,
reason,
analysis,
logic,
deduction,
cogitation,
ratiocination
in the sense of relationship
Definition
the connection between two things
the relationship between culture and power
Synonyms
connection,
link,
proportion,
parallel,
ratio,
similarity,
tie-up,
correlation,
read-across
in the sense of sense
Definition
reason or purpose
There's no sense in pretending this doesn't happen.