| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > paddvaln0N | Structured version Visualization version GIF version | ||
| Description: Projective subspace sum operation value for nonempty sets. (Contributed by NM, 27-Jan-2012.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| paddfval.l | ⊢ ≤ = (le‘𝐾) |
| paddfval.j | ⊢ ∨ = (join‘𝐾) |
| paddfval.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| paddfval.p | ⊢ + = (+𝑃‘𝐾) |
| Ref | Expression |
|---|---|
| paddvaln0N | ⊢ (((𝐾 ∈ Lat ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑋 ≠ ∅ ∧ 𝑌 ≠ ∅)) → (𝑋 + 𝑌) = {𝑝 ∈ 𝐴 ∣ ∃𝑞 ∈ 𝑋 ∃𝑟 ∈ 𝑌 𝑝 ≤ (𝑞 ∨ 𝑟)}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | paddfval.l | . . . 4 ⊢ ≤ = (le‘𝐾) | |
| 2 | paddfval.j | . . . 4 ⊢ ∨ = (join‘𝐾) | |
| 3 | paddfval.a | . . . 4 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 4 | paddfval.p | . . . 4 ⊢ + = (+𝑃‘𝐾) | |
| 5 | 1, 2, 3, 4 | elpaddn0 40681 | . . 3 ⊢ (((𝐾 ∈ Lat ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑋 ≠ ∅ ∧ 𝑌 ≠ ∅)) → (𝑠 ∈ (𝑋 + 𝑌) ↔ (𝑠 ∈ 𝐴 ∧ ∃𝑞 ∈ 𝑋 ∃𝑟 ∈ 𝑌 𝑠 ≤ (𝑞 ∨ 𝑟)))) |
| 6 | breq1 5110 | . . . . 5 ⊢ (𝑝 = 𝑠 → (𝑝 ≤ (𝑞 ∨ 𝑟) ↔ 𝑠 ≤ (𝑞 ∨ 𝑟))) | |
| 7 | 6 | 2rexbidv 3229 | . . . 4 ⊢ (𝑝 = 𝑠 → (∃𝑞 ∈ 𝑋 ∃𝑟 ∈ 𝑌 𝑝 ≤ (𝑞 ∨ 𝑟) ↔ ∃𝑞 ∈ 𝑋 ∃𝑟 ∈ 𝑌 𝑠 ≤ (𝑞 ∨ 𝑟))) |
| 8 | 7 | elrab 3648 | . . 3 ⊢ (𝑠 ∈ {𝑝 ∈ 𝐴 ∣ ∃𝑞 ∈ 𝑋 ∃𝑟 ∈ 𝑌 𝑝 ≤ (𝑞 ∨ 𝑟)} ↔ (𝑠 ∈ 𝐴 ∧ ∃𝑞 ∈ 𝑋 ∃𝑟 ∈ 𝑌 𝑠 ≤ (𝑞 ∨ 𝑟))) |
| 9 | 5, 8 | bitr4di 292 | . 2 ⊢ (((𝐾 ∈ Lat ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑋 ≠ ∅ ∧ 𝑌 ≠ ∅)) → (𝑠 ∈ (𝑋 + 𝑌) ↔ 𝑠 ∈ {𝑝 ∈ 𝐴 ∣ ∃𝑞 ∈ 𝑋 ∃𝑟 ∈ 𝑌 𝑝 ≤ (𝑞 ∨ 𝑟)})) |
| 10 | 9 | eqrdv 2760 | 1 ⊢ (((𝐾 ∈ Lat ∧ 𝑋 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) ∧ (𝑋 ≠ ∅ ∧ 𝑌 ≠ ∅)) → (𝑋 + 𝑌) = {𝑝 ∈ 𝐴 ∣ ∃𝑞 ∈ 𝑋 ∃𝑟 ∈ 𝑌 𝑝 ≤ (𝑞 ∨ 𝑟)}) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 ≠ wne 2957 ∃wrex 3088 {crab 3414 ⊆ wss 3902 ∅c0 4282 class class class wbr 5107 ‘cfv 6537 (class class class)co 7417 lecple 17355 joincjn 18405 Latclat 18525 Atomscatm 40144 +𝑃cpadd 40676 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7374 df-ov 7420 df-oprab 7421 df-mpo 7422 df-1st 7990 df-2nd 7991 df-lub 18438 df-join 18440 df-lat 18526 df-ats 40148 df-padd 40677 |
| This theorem is used by: (None) |
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