% Mizar problem: e1_6_1,funct_1,89,57 
include('Axioms/SET010^0.ax').
thf(f1_s1_funct_1_type,type,( f1_s1_funct_1: $i )).
thf(p1_s1_funct_1_type,type,( p1_s1_funct_1: $i > $i > $o )).
thf(antisymmetry_r2_hidden,axiom,( ! [A: $i] : ! [B: $i] : ( ( r2_hidden @ A @ B ) => ~ ( r2_hidden @ B @ A ) ) ),file(hidden,r2_hidden)).
thf(dt_f1_s1_funct_1,axiom,( $true ),file(funct_1,f1_s1_funct_1)).
thf(e1_6__funct_1,axiom,( ! [A: $i] : ! [B: $i] : ! [C: $i] : ( ( ( p1_s1_funct_1 @ A @ B ) & ( p1_s1_funct_1 @ A @ C ) ) => ( = @ B @ C ) ) ),file(funct_1,e1_6__funct_1)).
thf(s1_tarski,axiom,( ! [A: $i] : ! [B: $i > $i > $o] : ( ! [C: $i] : ! [D: $i] : ! [E: $i] : ( ( ( B @ C @ D ) & ( B @ C @ E ) ) => ( = @ D @ E ) ) => ? [C: $i] : ! [D: $i] : ( ( r2_hidden @ D @ C ) <=> ? [E: $i] : ( ( r2_hidden @ E @ A ) & ( B @ E @ D ) ) ) ) ),file(tarski,s1_tarski)).
thf(e1_6_1__funct_1,conjecture,( ? [A: $i] : ! [B: $i] : ( ( r2_hidden @ B @ A ) <=> ? [C: $i] : ( ( r2_hidden @ C @ f1_s1_funct_1 ) & ( p1_s1_funct_1 @ C @ B ) ) ) ),file(funct_1,e1_6_1__funct_1)).
