Trying to satisfy the CI, 6.

lisa-utils/src/main/scala/lisa/utils/Library.scala

@@ -211,7 +211,7 @@ abstract class Library(val theory: RunningTheory) {
   def DEFINE(symbol: String, vars: VariableLabel*): FunSymbolDefine = FunSymbolDefine(symbol, vars)
 
   /**
-   * For a definition of the type f(x) := term, construct the required proof ∃!y. y = term.
+   * For a definition of the type f(x) := term, construct the required proof ?!y. y = term.
    */
   private def simpleFunctionDefinition(expression: LambdaTermTerm, out: VariableLabel): Proof = {
     val x = out

lisa-utils/src/test/scala/lisa/utils/SCProofStepFinderTests.scala

@@ -12,7 +12,7 @@ import lisa.kernel.proof.SequentCalculus.*
 import lisa.settheory.AxiomaticSetTheory.*
 import lisa.kernel.proof.SCProofCheckerJudgement.*
 import org.scalatest.funsuite.AnyFunSuite
-import me.cassayre.florian.masterproject.util.SCProofBuilder.{*, given}
+import me.cassayre.florian.masterproject.util.SCProofBuilder.{_, given}
 
 import util.chaining.*
 import scala.util.{Failure, Success, Try}