## Understanding “what fraction of” in a math problem

I am faced with a very problematic wording of a math problem. I can infer what the author meant from the solution, though, I was wandering for the correct linguistic interpretation of the sentence. Damian needs 1/4 of the wood in the shed on the first day and 2/9 of the remaining wood on the … Read more

## ‘Then are equivalent’ (followed by a list) in mathematical writing

In mathematical writing, I’ve often seen people use the expression ‘Then are equivalent’ to introduce a list of conditions that are logically equivalent to each other (and I’ve used it myself a few times). E.g., here is an excerpt from the bottom of p. 6 (right column) in a 2015 open-access article from Nature Communications … Read more

## The use of conjunction “and” to avoid repetition

I apologize if my question seems trivial for people who study literature and English language in depth. My question is basically related to the following statements: The existence of X The convergence of X to Y Here, X and Y are nouns. So I would like to ask the following questions: Assuming I combine statement … Read more

## Is there a better alternative for “remainderless”?

I want to express in one word whether a number has a remainder or not. as an example: 3.5 is not remainderless 3 is remainderless It might seem that something like “3 is whole” or “3 is an integer” fits better but it is important that remainders, floating points or decimals are directly adressed. Why … Read more

## French: “triangle rectangle” in English?

How could I say “triangle rectangle” in English? For non-french people, it’s a triangle which has an angle of 90°. Answer In a comment, user240918 wrote: A right triangle (American English) or right-angled triangle (British English): Wikipedia AttributionSource : Link , Question Author : Kureteiyu , Answer Author : JJJ

## “There exist” vs “there exists” for universal objects in mathematics

When stating the existence of universal objects in mathematics, one often has to write something like: For every object X there exist an object Y and a map f : Y -> X such that […] holds. Here, both Y and the map f : Y -> X are part of the data so to … Read more

## How to define the transitive nature of a relation?

I am writing definitions for some terms used in a requirements document. One of the definitions is as follows: Child account: User account that is created by the account in consideration. For some requirements I want to define the notion of a descendent account. By that I mean basically the transitive version of a child … Read more

## Parsing an English to Math expression question, is this ambiguous?

I’m an instructor of a College Algebra course. The computer gave the following question, which I saw as ambiguous: Computer question: Write the corresponding algebraic expression or equation for the verbal statement. Let x represent the unknown number. The quotient of one and five times a number. The problem is where does one put in … Read more

## Is it ok to say “a big set of nodes” or should i use the word “large”?

It feels to me as if “big” in this context is focusing on the word “set” and not the number of things inside the set. For example, what if the nodes could be of different sizes and I want to focus on the number of them rather than the total size of them. Do I … Read more

## Referencing (multiple) objects within a collection of objects

In mathematical writing, when talking about multiple objects within a collection of objects, is it correct to say, “This set contains all objects x from the collection C such that x satisfies .”? Specifically, is the expression “contains all objects x…such that x satisfies ” correct? X is treated as singular here. Answer Mathematician here. … Read more