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Description: Lemma for isomorphism H of a lattice meet. (Contributed by NM, 30-Mar-2014) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | dihmeetlem4.b | ⊢ 𝐵 = ( Base ‘ 𝐾 ) | |
| dihmeetlem4.l | ⊢ ≤ = ( le ‘ 𝐾 ) | ||
| dihmeetlem4.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | ||
| dihmeetlem4.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | ||
| dihmeetlem4.h | ⊢ 𝐻 = ( LHyp ‘ 𝐾 ) | ||
| dihmeetlem4.i | ⊢ 𝐼 = ( ( DIsoH ‘ 𝐾 ) ‘ 𝑊 ) | ||
| dihmeetlem4.u | ⊢ 𝑈 = ( ( DVecH ‘ 𝐾 ) ‘ 𝑊 ) | ||
| dihmeetlem4.z | ⊢ 0 = ( 0g ‘ 𝑈 ) | ||
| dihmeetlem4.g | ⊢ 𝐺 = ( ℩ 𝑔 ∈ 𝑇 ( 𝑔 ‘ 𝑃 ) = 𝑄 ) | ||
| dihmeetlem4.p | ⊢ 𝑃 = ( ( oc ‘ 𝐾 ) ‘ 𝑊 ) | ||
| dihmeetlem4.t | ⊢ 𝑇 = ( ( LTrn ‘ 𝐾 ) ‘ 𝑊 ) | ||
| dihmeetlem4.r | ⊢ 𝑅 = ( ( trL ‘ 𝐾 ) ‘ 𝑊 ) | ||
| dihmeetlem4.e | ⊢ 𝐸 = ( ( TEndo ‘ 𝐾 ) ‘ 𝑊 ) | ||
| dihmeetlem4.o | ⊢ 𝑂 = ( ℎ ∈ 𝑇 ↦ ( I ↾ 𝐵 ) ) | ||
| Assertion | dihmeetlem4preN | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( ( 𝐼 ‘ 𝑄 ) ∩ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ) = { 0 } ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dihmeetlem4.b | ⊢ 𝐵 = ( Base ‘ 𝐾 ) | |
| 2 | dihmeetlem4.l | ⊢ ≤ = ( le ‘ 𝐾 ) | |
| 3 | dihmeetlem4.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | |
| 4 | dihmeetlem4.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | |
| 5 | dihmeetlem4.h | ⊢ 𝐻 = ( LHyp ‘ 𝐾 ) | |
| 6 | dihmeetlem4.i | ⊢ 𝐼 = ( ( DIsoH ‘ 𝐾 ) ‘ 𝑊 ) | |
| 7 | dihmeetlem4.u | ⊢ 𝑈 = ( ( DVecH ‘ 𝐾 ) ‘ 𝑊 ) | |
| 8 | dihmeetlem4.z | ⊢ 0 = ( 0g ‘ 𝑈 ) | |
| 9 | dihmeetlem4.g | ⊢ 𝐺 = ( ℩ 𝑔 ∈ 𝑇 ( 𝑔 ‘ 𝑃 ) = 𝑄 ) | |
| 10 | dihmeetlem4.p | ⊢ 𝑃 = ( ( oc ‘ 𝐾 ) ‘ 𝑊 ) | |
| 11 | dihmeetlem4.t | ⊢ 𝑇 = ( ( LTrn ‘ 𝐾 ) ‘ 𝑊 ) | |
| 12 | dihmeetlem4.r | ⊢ 𝑅 = ( ( trL ‘ 𝐾 ) ‘ 𝑊 ) | |
| 13 | dihmeetlem4.e | ⊢ 𝐸 = ( ( TEndo ‘ 𝐾 ) ‘ 𝑊 ) | |
| 14 | dihmeetlem4.o | ⊢ 𝑂 = ( ℎ ∈ 𝑇 ↦ ( I ↾ 𝐵 ) ) | |
| 15 | 5 6 | dihvalrel | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) → Rel ( 𝐼 ‘ 𝑄 ) ) |
| 16 | relin1 | ⊢ ( Rel ( 𝐼 ‘ 𝑄 ) → Rel ( ( 𝐼 ‘ 𝑄 ) ∩ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ) ) | |
| 17 | 15 16 | syl | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) → Rel ( ( 𝐼 ‘ 𝑄 ) ∩ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ) ) |
| 18 | 17 | 3ad2ant1 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → Rel ( ( 𝐼 ‘ 𝑄 ) ∩ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ) ) |
| 19 | 5 6 | dihvalrel | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) → Rel ( 𝐼 ‘ ( 0. ‘ 𝐾 ) ) ) |
| 20 | eqid | ⊢ ( 0. ‘ 𝐾 ) = ( 0. ‘ 𝐾 ) | |
| 21 | 20 5 6 7 8 | dih0 | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) → ( 𝐼 ‘ ( 0. ‘ 𝐾 ) ) = { 0 } ) |
| 22 | 21 | releqd | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) → ( Rel ( 𝐼 ‘ ( 0. ‘ 𝐾 ) ) ↔ Rel { 0 } ) ) |
| 23 | 19 22 | mpbid | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) → Rel { 0 } ) |
| 24 | 23 | 3ad2ant1 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → Rel { 0 } ) |
| 25 | id | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ) | |
| 26 | elin | ⊢ ( 〈 𝑓 , 𝑠 〉 ∈ ( ( 𝐼 ‘ 𝑄 ) ∩ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ) ↔ ( 〈 𝑓 , 𝑠 〉 ∈ ( 𝐼 ‘ 𝑄 ) ∧ 〈 𝑓 , 𝑠 〉 ∈ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ) ) | |
| 27 | vex | ⊢ 𝑓 ∈ V | |
| 28 | vex | ⊢ 𝑠 ∈ V | |
| 29 | 2 4 5 10 11 13 6 9 27 28 | dihopelvalcqat | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( 〈 𝑓 , 𝑠 〉 ∈ ( 𝐼 ‘ 𝑄 ) ↔ ( 𝑓 = ( 𝑠 ‘ 𝐺 ) ∧ 𝑠 ∈ 𝐸 ) ) ) |
| 30 | 29 | 3adant2 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( 〈 𝑓 , 𝑠 〉 ∈ ( 𝐼 ‘ 𝑄 ) ↔ ( 𝑓 = ( 𝑠 ‘ 𝐺 ) ∧ 𝑠 ∈ 𝐸 ) ) ) |
| 31 | simp1 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ) | |
| 32 | simp1l | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → 𝐾 ∈ HL ) | |
| 33 | 32 | hllatd | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → 𝐾 ∈ Lat ) |
| 34 | simp2l | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → 𝑋 ∈ 𝐵 ) | |
| 35 | simp1r | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → 𝑊 ∈ 𝐻 ) | |
| 36 | 1 5 | lhpbase | ⊢ ( 𝑊 ∈ 𝐻 → 𝑊 ∈ 𝐵 ) |
| 37 | 35 36 | syl | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → 𝑊 ∈ 𝐵 ) |
| 38 | 1 3 | latmcl | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ) → ( 𝑋 ∧ 𝑊 ) ∈ 𝐵 ) |
| 39 | 33 34 37 38 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( 𝑋 ∧ 𝑊 ) ∈ 𝐵 ) |
| 40 | 1 2 3 | latmle2 | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ) → ( 𝑋 ∧ 𝑊 ) ≤ 𝑊 ) |
| 41 | 33 34 37 40 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( 𝑋 ∧ 𝑊 ) ≤ 𝑊 ) |
| 42 | 1 2 5 11 12 14 6 | dihopelvalbN | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝑋 ∧ 𝑊 ) ∈ 𝐵 ∧ ( 𝑋 ∧ 𝑊 ) ≤ 𝑊 ) ) → ( 〈 𝑓 , 𝑠 〉 ∈ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ↔ ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) ) |
| 43 | 31 39 41 42 | syl12anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( 〈 𝑓 , 𝑠 〉 ∈ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ↔ ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) ) |
| 44 | 30 43 | anbi12d | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( ( 〈 𝑓 , 𝑠 〉 ∈ ( 𝐼 ‘ 𝑄 ) ∧ 〈 𝑓 , 𝑠 〉 ∈ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ) ↔ ( ( 𝑓 = ( 𝑠 ‘ 𝐺 ) ∧ 𝑠 ∈ 𝐸 ) ∧ ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) ) ) |
| 45 | simprll | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( ( 𝑓 = ( 𝑠 ‘ 𝐺 ) ∧ 𝑠 ∈ 𝐸 ) ∧ ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) ) → 𝑓 = ( 𝑠 ‘ 𝐺 ) ) | |
| 46 | simprrr | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( ( 𝑓 = ( 𝑠 ‘ 𝐺 ) ∧ 𝑠 ∈ 𝐸 ) ∧ ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) ) → 𝑠 = 𝑂 ) | |
| 47 | 46 | fveq1d | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( ( 𝑓 = ( 𝑠 ‘ 𝐺 ) ∧ 𝑠 ∈ 𝐸 ) ∧ ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) ) → ( 𝑠 ‘ 𝐺 ) = ( 𝑂 ‘ 𝐺 ) ) |
| 48 | simpl1 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( ( 𝑓 = ( 𝑠 ‘ 𝐺 ) ∧ 𝑠 ∈ 𝐸 ) ∧ ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) ) → ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ) | |
| 49 | 2 4 5 10 | lhpocnel2 | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) → ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ) |
| 50 | 48 49 | syl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( ( 𝑓 = ( 𝑠 ‘ 𝐺 ) ∧ 𝑠 ∈ 𝐸 ) ∧ ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) ) → ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ) |
| 51 | simpl3 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( ( 𝑓 = ( 𝑠 ‘ 𝐺 ) ∧ 𝑠 ∈ 𝐸 ) ∧ ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) ) → ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) | |
| 52 | 2 4 5 11 9 | ltrniotacl | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → 𝐺 ∈ 𝑇 ) |
| 53 | 48 50 51 52 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( ( 𝑓 = ( 𝑠 ‘ 𝐺 ) ∧ 𝑠 ∈ 𝐸 ) ∧ ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) ) → 𝐺 ∈ 𝑇 ) |
| 54 | 14 1 | tendo02 | ⊢ ( 𝐺 ∈ 𝑇 → ( 𝑂 ‘ 𝐺 ) = ( I ↾ 𝐵 ) ) |
| 55 | 53 54 | syl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( ( 𝑓 = ( 𝑠 ‘ 𝐺 ) ∧ 𝑠 ∈ 𝐸 ) ∧ ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) ) → ( 𝑂 ‘ 𝐺 ) = ( I ↾ 𝐵 ) ) |
| 56 | 45 47 55 | 3eqtrd | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( ( 𝑓 = ( 𝑠 ‘ 𝐺 ) ∧ 𝑠 ∈ 𝐸 ) ∧ ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) ) → 𝑓 = ( I ↾ 𝐵 ) ) |
| 57 | 56 46 | jca | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( ( 𝑓 = ( 𝑠 ‘ 𝐺 ) ∧ 𝑠 ∈ 𝐸 ) ∧ ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) ) → ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) |
| 58 | simpl1 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ) | |
| 59 | 58 49 | syl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ) |
| 60 | simpl3 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) | |
| 61 | 58 59 60 52 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → 𝐺 ∈ 𝑇 ) |
| 62 | 61 54 | syl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → ( 𝑂 ‘ 𝐺 ) = ( I ↾ 𝐵 ) ) |
| 63 | simprr | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → 𝑠 = 𝑂 ) | |
| 64 | 63 | fveq1d | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → ( 𝑠 ‘ 𝐺 ) = ( 𝑂 ‘ 𝐺 ) ) |
| 65 | simprl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → 𝑓 = ( I ↾ 𝐵 ) ) | |
| 66 | 62 64 65 | 3eqtr4rd | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → 𝑓 = ( 𝑠 ‘ 𝐺 ) ) |
| 67 | 1 5 11 13 14 | tendo0cl | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) → 𝑂 ∈ 𝐸 ) |
| 68 | 58 67 | syl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → 𝑂 ∈ 𝐸 ) |
| 69 | 63 68 | eqeltrd | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → 𝑠 ∈ 𝐸 ) |
| 70 | 1 5 11 | idltrn | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) → ( I ↾ 𝐵 ) ∈ 𝑇 ) |
| 71 | 58 70 | syl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → ( I ↾ 𝐵 ) ∈ 𝑇 ) |
| 72 | 65 71 | eqeltrd | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → 𝑓 ∈ 𝑇 ) |
| 73 | 65 | fveq2d | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → ( 𝑅 ‘ 𝑓 ) = ( 𝑅 ‘ ( I ↾ 𝐵 ) ) ) |
| 74 | 1 20 5 12 | trlid0 | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) → ( 𝑅 ‘ ( I ↾ 𝐵 ) ) = ( 0. ‘ 𝐾 ) ) |
| 75 | 58 74 | syl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → ( 𝑅 ‘ ( I ↾ 𝐵 ) ) = ( 0. ‘ 𝐾 ) ) |
| 76 | 73 75 | eqtrd | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → ( 𝑅 ‘ 𝑓 ) = ( 0. ‘ 𝐾 ) ) |
| 77 | simpl1l | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → 𝐾 ∈ HL ) | |
| 78 | hlatl | ⊢ ( 𝐾 ∈ HL → 𝐾 ∈ AtLat ) | |
| 79 | 77 78 | syl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → 𝐾 ∈ AtLat ) |
| 80 | 39 | adantr | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → ( 𝑋 ∧ 𝑊 ) ∈ 𝐵 ) |
| 81 | 1 2 20 | atl0le | ⊢ ( ( 𝐾 ∈ AtLat ∧ ( 𝑋 ∧ 𝑊 ) ∈ 𝐵 ) → ( 0. ‘ 𝐾 ) ≤ ( 𝑋 ∧ 𝑊 ) ) |
| 82 | 79 80 81 | syl2anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → ( 0. ‘ 𝐾 ) ≤ ( 𝑋 ∧ 𝑊 ) ) |
| 83 | 76 82 | eqbrtrd | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) |
| 84 | 72 83 63 | jca31 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) |
| 85 | 66 69 84 | jca31 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) → ( ( 𝑓 = ( 𝑠 ‘ 𝐺 ) ∧ 𝑠 ∈ 𝐸 ) ∧ ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) ) |
| 86 | 57 85 | impbida | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( ( ( 𝑓 = ( 𝑠 ‘ 𝐺 ) ∧ 𝑠 ∈ 𝐸 ) ∧ ( ( 𝑓 ∈ 𝑇 ∧ ( 𝑅 ‘ 𝑓 ) ≤ ( 𝑋 ∧ 𝑊 ) ) ∧ 𝑠 = 𝑂 ) ) ↔ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) ) |
| 87 | 44 86 | bitrd | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( ( 〈 𝑓 , 𝑠 〉 ∈ ( 𝐼 ‘ 𝑄 ) ∧ 〈 𝑓 , 𝑠 〉 ∈ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ) ↔ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) ) |
| 88 | opex | ⊢ 〈 𝑓 , 𝑠 〉 ∈ V | |
| 89 | 88 | elsn | ⊢ ( 〈 𝑓 , 𝑠 〉 ∈ { 〈 ( I ↾ 𝐵 ) , 𝑂 〉 } ↔ 〈 𝑓 , 𝑠 〉 = 〈 ( I ↾ 𝐵 ) , 𝑂 〉 ) |
| 90 | 27 28 | opth | ⊢ ( 〈 𝑓 , 𝑠 〉 = 〈 ( I ↾ 𝐵 ) , 𝑂 〉 ↔ ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ) |
| 91 | 89 90 | bitr2i | ⊢ ( ( 𝑓 = ( I ↾ 𝐵 ) ∧ 𝑠 = 𝑂 ) ↔ 〈 𝑓 , 𝑠 〉 ∈ { 〈 ( I ↾ 𝐵 ) , 𝑂 〉 } ) |
| 92 | 87 91 | bitrdi | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( ( 〈 𝑓 , 𝑠 〉 ∈ ( 𝐼 ‘ 𝑄 ) ∧ 〈 𝑓 , 𝑠 〉 ∈ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ) ↔ 〈 𝑓 , 𝑠 〉 ∈ { 〈 ( I ↾ 𝐵 ) , 𝑂 〉 } ) ) |
| 93 | 1 5 11 7 8 14 | dvh0g | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) → 0 = 〈 ( I ↾ 𝐵 ) , 𝑂 〉 ) |
| 94 | 93 | 3ad2ant1 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → 0 = 〈 ( I ↾ 𝐵 ) , 𝑂 〉 ) |
| 95 | 94 | sneqd | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → { 0 } = { 〈 ( I ↾ 𝐵 ) , 𝑂 〉 } ) |
| 96 | 95 | eleq2d | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( 〈 𝑓 , 𝑠 〉 ∈ { 0 } ↔ 〈 𝑓 , 𝑠 〉 ∈ { 〈 ( I ↾ 𝐵 ) , 𝑂 〉 } ) ) |
| 97 | 92 96 | bitr4d | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( ( 〈 𝑓 , 𝑠 〉 ∈ ( 𝐼 ‘ 𝑄 ) ∧ 〈 𝑓 , 𝑠 〉 ∈ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ) ↔ 〈 𝑓 , 𝑠 〉 ∈ { 0 } ) ) |
| 98 | 26 97 | bitrid | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( 〈 𝑓 , 𝑠 〉 ∈ ( ( 𝐼 ‘ 𝑄 ) ∩ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ) ↔ 〈 𝑓 , 𝑠 〉 ∈ { 0 } ) ) |
| 99 | 98 | eqrelrdv2 | ⊢ ( ( ( Rel ( ( 𝐼 ‘ 𝑄 ) ∩ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ) ∧ Rel { 0 } ) ∧ ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ) → ( ( 𝐼 ‘ 𝑄 ) ∩ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ) = { 0 } ) |
| 100 | 18 24 25 99 | syl21anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑋 ∈ 𝐵 ∧ ¬ 𝑋 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) → ( ( 𝐼 ‘ 𝑄 ) ∩ ( 𝐼 ‘ ( 𝑋 ∧ 𝑊 ) ) ) = { 0 } ) |