Theorem
pm4.76
Theorem *4.76 of [WhiteheadRussell] p. 121. (Contributed by NM, 3-Jan-2005.)
Conclusion
\( \vdash (\varphi \rightarrow \psi) \wedge (\varphi \rightarrow \chi) \leftrightarrow \varphi \rightarrow \psi \wedge \chi \)
Proof
jcab
bicomi
_
This is the content in the right pane.