# Category: Logic

## Question-203428

Question Number 203428 by cortano12 last updated on 19/Jan/24 $$\:\cancel{\underbrace{\:}} \\$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 202830 by dimentri last updated on 04/Jan/24 $$\:\cancel{\underbrace{ }} \\$$ Answered by mr W last updated on 04/Jan/24 $${lcm}\left(\mathrm{3},\mathrm{5},\mathrm{7},\mathrm{9}\right)=\mathrm{5}×\mathrm{7}×\mathrm{9}=\mathrm{315} \\$$$$\Rightarrow{n}=\mathrm{315}{k}−\mathrm{1} \\… ## Question-202749 Question Number 202749 by Skabetix last updated on 02/Jan/24 Commented by Rasheed.Sindhi last updated on 06/Jan/24$${What}\:{does}\:{the}\:{question}\:{say}? \\ {pl}\:{translate}\:{in}\:{English}. \\ $$Commented by Rasheed.Sindhi last… ## Prove-the-following-is-a-tautology-p-q-p-r-q-r- Question Number 198750 by depressiveshrek last updated on 24/Oct/23$$\mathrm{Prove}\:\mathrm{the}\:\mathrm{following}\:\mathrm{is}\:\mathrm{a}\:\mathrm{tautology}: \\ \left[\left({p}\veebar{q}\right)\wedge\left({p}\Rightarrow{r}\right)\right]\Rightarrow\left({q}\veebar{r}\right) \\ $$Answered by MathematicalUser2357 last updated on 29/Dec/23$$\mathrm{Only}\:\mathrm{know}\:\mathrm{until} \\ =\sim\left[\left({p}\veebar{q}\right)\wedge\left(\sim{p}\vee{r}\right)\right]\vee\left({q}\veebar{r}\right) \\…
Question Number 198528 by Hridiana last updated on 21/Oct/23 $$\mathrm{3}+{x}+{y}+{z} \\$$$$\underbrace{\sqrt{{e}^{{e}^{{e}^{.^{.^{.} } } } } }} \\$$$${xyz}\:{in}\:{y} \\$$$${What}\:{is}\:{it} \\$$ Commented by…