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That sounds bizarre. Pure Math is more theoretical and has less limitations than that of Theoretical Physics. Maybe this person you knew just went down the wron
by heimatau 10y ago
That sounds bizarre. Pure Math is more theoretical and has less limitations than that of Theoretical Physics. Maybe this person you knew just went down the wrong path and should've focused on Theoretical Physics and not math.
- thanatropism 10y agoIf I understand the parent comment correctly, this is the advanced version of "proofs" of propositions in economics that just assume that dy/dx is defined in such a way that dy/dz = (dy/dx)(dx/dz). A mathematician would say "Let y: U\to V where U,V are open subsets of R^k and y\in C^1 (or C^\infty). Then..." and define clearly what's a function, what's a variable/number/vector and so forth.