Description: Value of the functionalized inverse image. (Contributed by BJ, 23-May-2024)
Ref | Expression | ||
---|---|---|---|
Hypotheses | bj-iminvval.1 | ||
bj-iminvval.2 | |||
Assertion | bj-iminvval | Could not format assertion : No typesetting found for |- ( ph -> ( A ~P^* B ) = ( r e. ~P ( A X. B ) |-> { <. x , y >. | ( ( x C_ A /\ y C_ B ) /\ x = ( `' r " y ) ) } ) ) with typecode |- |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bj-iminvval.1 | ||
2 | bj-iminvval.2 | ||
3 | df-iminv | Could not format ~P^* = ( a e. _V , b e. _V |-> ( r e. ~P ( a X. b ) |-> { <. x , y >. | ( ( x C_ a /\ y C_ b ) /\ x = ( `' r " y ) ) } ) ) : No typesetting found for |- ~P^* = ( a e. _V , b e. _V |-> ( r e. ~P ( a X. b ) |-> { <. x , y >. | ( ( x C_ a /\ y C_ b ) /\ x = ( `' r " y ) ) } ) ) with typecode |- | |
4 | 1 2 3 | bj-imdirvallem | Could not format ( ph -> ( A ~P^* B ) = ( r e. ~P ( A X. B ) |-> { <. x , y >. | ( ( x C_ A /\ y C_ B ) /\ x = ( `' r " y ) ) } ) ) : No typesetting found for |- ( ph -> ( A ~P^* B ) = ( r e. ~P ( A X. B ) |-> { <. x , y >. | ( ( x C_ A /\ y C_ B ) /\ x = ( `' r " y ) ) } ) ) with typecode |- |