Transcript
= =
=
=
− =
= − +
+ − =
− − =
+ −
v
=
v
=
−
+
+ =
+
=
−
+ = + • −
= • − = −
= =
=
=
v
v
= ⇒ =
= − − +
+ + −
+
= +
+
+
= +
< < < <
< <
= = =
< < <
< <
< < < <
< < < <
< < <
<
+ +
= + +
= + +
= + +
=
= =
=
=
− =
= − +
+ − =
− − =
+ −
v
=
v
=
−
+
+ =
+
=
−
+ = + • −
= • − = −
= =
=
=
v
v
= ⇒ =
= − − +
+ + −
+
= +
+
+
= +
< < < <
< <
= = =
< < <
< <
< < < <
< < < <
< < <
<
+ +
= + +
= + +
= + +
=