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  2. Salt metathesis reaction - Wikipedia

    en.wikipedia.org/wiki/Salt_metathesis_reaction

    A neutralization reaction is a type of double replacement reaction. A neutralization reaction occurs when an acid reacts with an equal amount of a base. This reaction usually produces a salt. One example, hydrochloric acid reacts with disodium iron tetracarbonyl to produce the iron dihydride:

  3. Integration by substitution - Wikipedia

    en.wikipedia.org/wiki/Integration_by_substitution

    Thus, the formula can be read from left to right or from right to left in order to simplify a given integral. When used in the former manner, it is sometimes known as u -substitution or w -substitution in which a new variable is defined to be a function of the original variable found inside the composite function multiplied by the derivative of ...

  4. Lie product formula - Wikipedia

    en.wikipedia.org/wiki/Lie_product_formula

    The Lie–Trotter product formula [3] and the Trotter–Kato theorem [4] extend this to certain unbounded linear operators A and B. [ 5 ] This formula is an analogue of the classical exponential law e x + y = e x e y {\displaystyle e^{x+y}=e^{x}e^{y}}

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  6. Plücker formula - Wikipedia

    en.wikipedia.org/wiki/Plücker_formula

    The above formula shows that it has = inflections. If the cubic degenerates and gets a double point, then 6 points converge to the singular point and only 3 inflection remain along the singular curve. If the cubic degenerates and gets a cusp then only one inflection remains.

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  8. Rule of replacement - Wikipedia

    en.wikipedia.org/wiki/Rule_of_replacement

    In logic, a rule of replacement [1] [2] [3] is a transformation rule that may be applied to only a particular segment of an expression. A logical system may be constructed so that it uses either axioms, rules of inference, or both as transformation rules for logical expressions in the system. Whereas a rule of inference is always applied to a ...

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