[ BlockLemma
    ( SourcePos
        { sourceName = "test/examples/no-reflexive-set.tex"
        , sourceLine = Pos 1
        , sourceColumn = Pos 1
        }
    )
    ( Marker "in_irrefl" )
    ( Lemma []
        ( Quantified Universally
            ( Scope
                ( Connected Implication ( PropositionalConstant IsTop )
                    ( Not
                        ( TermSymbol
                            ( SymbolPredicate
                                ( PredicateRelation
                                    ( Command "in" )
                                )
                            )
                            [ TermVar
                                ( B
                                    ( NamedVar "A" )
                                )
                            , TermVar
                                ( B
                                    ( NamedVar "A" )
                                )
                            ]
                        )
                    )
                )
            )
        )
    )
, BlockProof
    ( SourcePos
        { sourceName = "test/examples/no-reflexive-set.tex"
        , sourceLine = Pos 4
        , sourceColumn = Pos 1
        }
    )
    ( BySetInduction Nothing ( Qed JustificationEmpty ) )
]