Synonym: logical system, system of logic. Similar words: logical, logically, illogical, biological, theological, ecological, ideological, archeological. Meaning: ['lɑdʒɪk /'lɒd-] 
n. 1. the branch of philosophy that analyzes inference 2. reasoned and reasonable judgment 3. the principles that guide reasoning within a given field or situation 4. a system of reasoning 5. the system of operations performed by a computer that underlies the machine's representation of logical operations.
n. 1. the branch of philosophy that analyzes inference 2. reasoned and reasonable judgment 3. the principles that guide reasoning within a given field or situation 4. a system of reasoning 5. the system of operations performed by a computer that underlies the machine's representation of logical operations. 
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1. I had to concede the logic of this.
2. Not everything follows the rules of logic.
3. Socrates laid the foundations of logic.
4. Her logic is utterly incontrovertible.
5. All students receive tuition in logic and metaphysics.
6. Philosophers use logic to prove their arguments.
7. The economic logic of reform is inescapable.
8. The logic behind this statement is faulty.
9. I fail to see the logic behind his argument.
10. He argues with learning and logic.
11. He confuted his opponents by facts and logic.
12. Your friend doesn't seem to be governed by logic.
13. There's no logic in his argument.
14. There are irredeemable flaws in the logic of the argument.
15. It's easy to understand his logic.
16. It's a stupid decision that completely defies logic.
16. Sentencedict.com try its best to collect and create good sentences.
17. There would be no logic in upsetting the agreements.
18. What's the logic behind this decision?
19. Logic had prevailed and he had abandoned the idea.
20. I can't fault you on your logic.
21. I don't follow the logic of your argument.
22. At this point our logic was at fault.
23. At this point your logic is at fault.
24. She was disarmed by his logic.
25. What's the logic of your argument?
26. There is a compelling logic to his main theory.
27. Histories make men wise ; poems witty; the mathematics subtle; natural philosophy deep ; moral grave ; logic and rhetoric able to contend. 
28. The two parts of the plan were governed by the same logic.
29. Apart from criminal investigation techniques, students learn forensic medicine, philosophy and logic.
30. A man must not presume to use his reasons, unless he has studied the categories, and can chop logic.
More similar words: logical, logically, illogical, biological, theological, ecological, ideological, archeological, technological, psychological, terminological, ornithological, apologize, apologist, psychologist, ornithologist, tragic, allergic, regicide, lethargic, strategic, log, paraplegic, strategically, dialog, apology, theology, geology, biology, backlog.