Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: HaskellForMaths (user goal)
rejecting: HaskellForMaths-0.4.8, HaskellForMaths-0.4.7,
HaskellForMaths-0.4.6, HaskellForMaths-0.4.5, HaskellForMaths-0.4.4,
HaskellForMaths-0.4.3, HaskellForMaths-0.4.2, HaskellForMaths-0.4.1,
HaskellForMaths-0.4.0, HaskellForMaths-0.3.4, HaskellForMaths-0.3.3,
HaskellForMaths-0.3.2, HaskellForMaths-0.3.1, HaskellForMaths-0.2.2,
HaskellForMaths-0.2.1, HaskellForMaths-0.2.0, HaskellForMaths-0.1.9,
HaskellForMaths-0.1.8, HaskellForMaths-0.1.7, HaskellForMaths-0.1.6,
HaskellForMaths-0.1.5, HaskellForMaths-0.1.4, HaskellForMaths-0.1.3,
HaskellForMaths-0.1.2 (constraint from user target requires ==0.1.1)
trying: HaskellForMaths-0.1.1
next goal: base (dependency of HaskellForMaths-0.1.1)
rejecting: base-4.9.0.0/installed-4.9... (conflict: HaskellForMaths => base>=3
&& <4)
rejecting: base-4.9.0.0, base-4.8.2.0, base-4.8.1.0, base-4.8.0.0,
base-4.7.0.2, base-4.7.0.1, base-4.7.0.0, base-4.6.0.1, base-4.6.0.0,
base-4.5.1.0, base-4.5.0.0, base-4.4.1.0, base-4.4.0.0, base-4.3.1.0,
base-4.3.0.0, base-4.2.0.2, base-4.2.0.1, base-4.2.0.0, base-4.1.0.0,
base-4.0.0.0, base-3.0.3.2, base-3.0.3.1 (constraint from non-upgradeable
package requires installed instance)
Dependency tree exhaustively searched.