\left. \begin{array} { l } { 1,5 + 2,3 = 154 } \\ { 1,5 + 2,5 = 82 } \end{array} \right.
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3,8=154\text{ and }1,5+2,5=82
Add 1,5 and 2,3 to get 3,8.
\text{false}\text{ and }1,5+2,5=82
Compare 3,8 and 154.
\text{false}\text{ and }4=82
Add 1,5 and 2,5 to get 4.
\text{false}\text{ and }\text{false}
Compare 4 and 82.
\text{false}
The conjunction of \text{false} and \text{false} is \text{false}.
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