--- /dev/null
+include "basics/logic.ma".
+
+\ 5img class="anchor" src="icons/tick.png" id="Q"\ 6axiom Q : Type[0].
+\ 5img class="anchor" src="icons/tick.png" id="add"\ 6axiom add : \ 5a href="cic:/matita/cicm2012/rationals/Q.dec"\ 6Q\ 5/a\ 6 → \ 5a href="cic:/matita/cicm2012/rationals/Q.dec"\ 6Q\ 5/a\ 6 → \ 5a href="cic:/matita/cicm2012/rationals/Q.dec"\ 6Q\ 5/a\ 6.
+\ 5img class="anchor" src="icons/tick.png" id="times"\ 6axiom times : \ 5a href="cic:/matita/cicm2012/rationals/Q.dec"\ 6Q\ 5/a\ 6 → \ 5a href="cic:/matita/cicm2012/rationals/Q.dec"\ 6Q\ 5/a\ 6 → \ 5a href="cic:/matita/cicm2012/rationals/Q.dec"\ 6Q\ 5/a\ 6.
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