logical proof

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Noun1.logical proof - proof of a logical theorem
proof - a formal series of statements showing that if one thing is true something else necessarily follows from it
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Some, too, have baffled his analytical skill, and would be, as narratives, beginnings without an ending, while others have been but partially cleared up, and have their explanations founded rather upon conjecture and surmise than on that absolute logical proof which was so dear to him.
He held that Euclid's theorems impose a rigorous order of logical proof that could establish the truth with undeniable certainty, proceeding from simple statements to ever-more-complex questions.
It is a concise, but technical book, written for those familiar with scientific conventions/notation and logical proof.
It is because the earlier the sentence of these three, the more steps that must be taken in the logical proof, and the more (and more complicated) the steps, the greater the opportunity for human error; the later, the simpler, and the fewer steps in the argument.
The explanation of a truth is a logical proof of that truth from more basic truths.
The dictionary lists "faith" as a belief not resting on logical proof.
Schiller contributed both 'Scientific Discovery and Logical Proof and 'Hypothesis' to Charles Joseph Singer's Studies in the History and Method of Science (1917; 1921); only the former essay appears in Part 7.
But scientists understand that there is no way to prove or disprove faith, which is defined as belief that does not rest on logical proof or material evidence.
The success of his method is revealed towards the end of this short book, which is only 128 pages long, where he offers a logical proof for the existence of God.
A logical proof establishes its conclusion beyond any possibility of doubt while a scientific proof establishes its conclusion beyond a reasonable doubt.
Egypt, the Mideast, and China all had important mathematical discoveries early in history; only the Greeks developed the rhetoric, a logical proof by axiomatic method as we see in Euclidean geometry.
It seems that the art of persuasion is necessary only when logical proof is missing.