Because mathematics is a axiomatic system so that every new statement remains a conjecture until it is proved.
Usually not. If you do use conjectures, you should make it quite clear that the proof stands and falls with the truth of the conjecture. That is, if the conjecture happens to be false, then the proof of your statement turns out to be invalid.
By creating a strong inference, you can then put your ideas to the test. After close observation, you can then rule-out any incorrect guesses.
Inductive Reasoning
A conjecture is a statement that is believed to be true, but has yet to be proven. Conjectures can often be disproven by a counter example and are then referred to as false conjectures.
That would most likely be one of the many as yet unproven conjectures that are believed to have proofs.
No. Conjectures are "good" guesses.
Because mathematics is a axiomatic system so that every new statement remains a conjecture until it is proved.
In geometry, deductive rules can be used to prove conjectures.
prove conjectures
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Some words that rhyme with "lectures" are textures, conjectures, and ruptures.
Mathematics is the study of quantity, structure, space, and change. Mathematicians seek out patterns, formulate new conjectures, and establish truth by rigorous deduction from appropriately chosen axioms and definitions.
surmises
inductive
hypotheses or more generally conjectures should be capable of being refuted see: Karl Popper - Conjectures and Refutations
Twenty Conjectures in Geometry:Vertical Angle Conjecture: Non-adjacent angles formed by two intersecting lines.Linear Pair Conjecture: Adjacent angles formed by two intersecting lines.Triangle Sum Conjecture: Sum of the measures of the three angles in a triangle.Quadrilateral Sum Conjecture: Sum of the four angles in a convex four-sided figure.Polygon Sum Conjecture: Sum of the angles for any convex polygon.Exterior Angles Conjecture: Sum of exterior angles for any convex polygon.Isosceles Triangle Conjectures: Isosceles triangles have equal base angles.Isosceles Trapezoid Conjecture: Isosceles trapezoids have equal base angles.Midsegment Conjectures: Lengths of midsegments for triangles and trapezoids.Parallel Lines Conjectures: Corresponding, alternate interior, and alternate exterior angles.Parallelogram Conjectures: Side, angle, and diagonal relationships.Rhombus Conjectures: Side, angle, and diagonal relationships.Rectangle Conjectures: Side, angle, and diagonal relationships.Congruent Chord Conjectures: Congruent chords intercept congruent arcs.Chord Bisector Conjecture: The bisector of a chord passes through the center of the circle.Tangents to Circles Conjectures: A tangent to a circle is perpendicular to the radius.Inscribed Angle Conjectures: An inscribed angles has half the measure of intercepted arc.Inscribed Quadrilateral Conjecture: Opposite angles are supplements.The Number "Pi" Conjectures: Circumference and diameter relationship for a circle.Arc Length Conjecture: Formula to calculate the length of an arc on a circle.