Question 251010
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*[tex \LARGE \ \ \ \ \ \ \ \ \ \ S\ \Rightarrow\ T\ \ \ ]Given.


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ U\ \Rightarrow\ U\ \ \ ]Identity.


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ U\ \Rightarrow\ U\ \small{\vee}\LARGE\ T\ \ \ ]Defn of Or (at least U)


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ S\ \Rightarrow\ U\ \small{\vee}\LARGE\ T\ \ \ ]Defn of Or (at least T)


Therefore *[tex \LARGE \ \ \ \ \ \ \ \ \ \ U\ \small{\vee}\LARGE\ S\ \Rightarrow\ U\ \small{\vee}\LARGE\ T\ \ \ ]Defn of Or



John
*[tex \LARGE e^{i\pi} + 1 = 0]
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