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Description: A lattice automorphism argument is equal to its value if all atoms are equal to their values. (Contributed by NM, 24-May-2012)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | lauteq.b | |- B = ( Base ` K ) |
|
| lauteq.a | |- A = ( Atoms ` K ) |
||
| lauteq.i | |- I = ( LAut ` K ) |
||
| Assertion | lauteq | |- ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ A. p e. A ( F ` p ) = p ) -> ( F ` X ) = X ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lauteq.b | |- B = ( Base ` K ) |
|
| 2 | lauteq.a | |- A = ( Atoms ` K ) |
|
| 3 | lauteq.i | |- I = ( LAut ` K ) |
|
| 4 | simpl1 | |- ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ p e. A ) -> K e. HL ) |
|
| 5 | simpl2 | |- ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ p e. A ) -> F e. I ) |
|
| 6 | 1 2 | atbase | |- ( p e. A -> p e. B ) |
| 7 | 6 | adantl | |- ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ p e. A ) -> p e. B ) |
| 8 | simpl3 | |- ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ p e. A ) -> X e. B ) |
|
| 9 | eqid | |- ( le ` K ) = ( le ` K ) |
|
| 10 | 1 9 3 | lautle | |- ( ( ( K e. HL /\ F e. I ) /\ ( p e. B /\ X e. B ) ) -> ( p ( le ` K ) X <-> ( F ` p ) ( le ` K ) ( F ` X ) ) ) |
| 11 | 4 5 7 8 10 | syl22anc | |- ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ p e. A ) -> ( p ( le ` K ) X <-> ( F ` p ) ( le ` K ) ( F ` X ) ) ) |
| 12 | breq1 | |- ( ( F ` p ) = p -> ( ( F ` p ) ( le ` K ) ( F ` X ) <-> p ( le ` K ) ( F ` X ) ) ) |
|
| 13 | 11 12 | sylan9bb | |- ( ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ p e. A ) /\ ( F ` p ) = p ) -> ( p ( le ` K ) X <-> p ( le ` K ) ( F ` X ) ) ) |
| 14 | 13 | bicomd | |- ( ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ p e. A ) /\ ( F ` p ) = p ) -> ( p ( le ` K ) ( F ` X ) <-> p ( le ` K ) X ) ) |
| 15 | 14 | ex | |- ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ p e. A ) -> ( ( F ` p ) = p -> ( p ( le ` K ) ( F ` X ) <-> p ( le ` K ) X ) ) ) |
| 16 | 15 | ralimdva | |- ( ( K e. HL /\ F e. I /\ X e. B ) -> ( A. p e. A ( F ` p ) = p -> A. p e. A ( p ( le ` K ) ( F ` X ) <-> p ( le ` K ) X ) ) ) |
| 17 | 16 | imp | |- ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ A. p e. A ( F ` p ) = p ) -> A. p e. A ( p ( le ` K ) ( F ` X ) <-> p ( le ` K ) X ) ) |
| 18 | simpl1 | |- ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ A. p e. A ( F ` p ) = p ) -> K e. HL ) |
|
| 19 | simpl2 | |- ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ A. p e. A ( F ` p ) = p ) -> F e. I ) |
|
| 20 | simpl3 | |- ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ A. p e. A ( F ` p ) = p ) -> X e. B ) |
|
| 21 | 1 3 | lautcl | |- ( ( ( K e. HL /\ F e. I ) /\ X e. B ) -> ( F ` X ) e. B ) |
| 22 | 18 19 20 21 | syl21anc | |- ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ A. p e. A ( F ` p ) = p ) -> ( F ` X ) e. B ) |
| 23 | 1 9 2 | hlateq | |- ( ( K e. HL /\ ( F ` X ) e. B /\ X e. B ) -> ( A. p e. A ( p ( le ` K ) ( F ` X ) <-> p ( le ` K ) X ) <-> ( F ` X ) = X ) ) |
| 24 | 18 22 20 23 | syl3anc | |- ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ A. p e. A ( F ` p ) = p ) -> ( A. p e. A ( p ( le ` K ) ( F ` X ) <-> p ( le ` K ) X ) <-> ( F ` X ) = X ) ) |
| 25 | 17 24 | mpbid | |- ( ( ( K e. HL /\ F e. I /\ X e. B ) /\ A. p e. A ( F ` p ) = p ) -> ( F ` X ) = X ) |