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Mathematics, 18.02.2020 05:31 Jesser18

Here are four propositions. Which are true and which false? Justify your answers. (a) βˆ€x ∈ R, βˆƒy ∈ R such that y 4 = 4x. (b) βˆƒy ∈ R such that βˆ€x ∈ R we have y 4 = 4x. (c) βˆ€y ∈ R, βˆƒx ∈ R such that y 4 = 4x. (d) βˆƒx ∈ R such that βˆ€y ∈ R we have y 4 = 4x

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Here are four propositions. Which are true and which false? Justify your answers. (a) βˆ€x ∈ R, βˆƒy ∈ R...
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