ebra/index.html">Involutive_Heyting_Algebra</a> : <span class="keyword">functor</span> (<a href="Involutive_Heyting_Algebra/argument-1-IHA/index.html">IHA</a> : <a href="../../../Bastet/Interface/index.html#module-type-INVOLUTIVE_HEYTING_ALGEBRA">Bastet.Interface.INVOLUTIVE_HEYTING_ALGEBRA</a>) <span>&#45;&gt;</span> <span class="keyword">functor</span> (<a href="Involutive_Heyting_Algebra/argument-2-A/index.html">A</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span>) <span>&#45;&gt;