[ BlockLemma
    ( SourcePos
        { sourceName = "test/examples/byRef.tex"
        , sourceLine = Pos 1
        , sourceColumn = Pos 1
        }
    )
    ( Marker "first_proposition" )
    ( Lemma []
        ( TermSymbol
            ( SymbolPredicate
                ( PredicateRelation
                    ( Symbol "=" )
                )
            )
            [ TermVar
                ( NamedVar "a" )
            , TermVar
                ( NamedVar "a" )
            ]
        )
    )
, BlockLemma
    ( SourcePos
        { sourceName = "test/examples/byRef.tex"
        , sourceLine = Pos 5
        , sourceColumn = Pos 1
        }
    )
    ( Marker "second_proposition" )
    ( Lemma []
        ( TermSymbol
            ( SymbolPredicate
                ( PredicateRelation
                    ( Symbol "=" )
                )
            )
            [ TermVar
                ( NamedVar "b" )
            , TermVar
                ( NamedVar "b" )
            ]
        )
    )
, BlockLemma
    ( SourcePos
        { sourceName = "test/examples/byRef.tex"
        , sourceLine = Pos 9
        , sourceColumn = Pos 1
        }
    )
    ( Marker "third_proposition" )
    ( Lemma []
        ( TermSymbol
            ( SymbolPredicate
                ( PredicateRelation
                    ( Symbol "=" )
                )
            )
            [ TermVar
                ( NamedVar "c" )
            , TermVar
                ( NamedVar "c" )
            ]
        )
    )
, BlockProof
    ( SourcePos
        { sourceName = "test/examples/byRef.tex"
        , sourceLine = Pos 12
        , sourceColumn = Pos 1
        }
    )
    ( Qed
        ( JustificationRef
            ( Marker "first_proposition" :| [] )
        )
    )
, BlockLemma
    ( SourcePos
        { sourceName = "test/examples/byRef.tex"
        , sourceLine = Pos 16
        , sourceColumn = Pos 1
        }
    )
    ( Marker "fourth_proposition" )
    ( Lemma []
        ( TermSymbol
            ( SymbolPredicate
                ( PredicateRelation
                    ( Symbol "=" )
                )
            )
            [ TermVar
                ( NamedVar "e" )
            , TermVar
                ( NamedVar "e" )
            ]
        )
    )
, BlockProof
    ( SourcePos
        { sourceName = "test/examples/byRef.tex"
        , sourceLine = Pos 19
        , sourceColumn = Pos 1
        }
    )
    ( Have
        ( Quantified Universally
            ( Scope
                ( TermSymbol
                    ( SymbolPredicate
                        ( PredicateRelation
                            ( Symbol "=" )
                        )
                    )
                    [ TermVar
                        ( B
                            ( NamedVar "d" )
                        )
                    , TermVar
                        ( B
                            ( NamedVar "d" )
                        )
                    ]
                )
            )
        )
        ( JustificationRef
            ( Marker "first_proposition" :| [] )
        ) ( Qed JustificationEmpty )
    )
, BlockLemma
    ( SourcePos
        { sourceName = "test/examples/byRef.tex"
        , sourceLine = Pos 23
        , sourceColumn = Pos 1
        }
    )
    ( Marker "fifth_proposition" )
    ( Lemma []
        ( TermSymbol
            ( SymbolPredicate
                ( PredicateRelation
                    ( Symbol "=" )
                )
            )
            [ TermVar
                ( NamedVar "f" )
            , TermVar
                ( NamedVar "f" )
            ]
        )
    )
]