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Mirrors > Home > MPE Home > Th. List > genpcl | Structured version Visualization version GIF version |
Description: Closure of an operation on reals. (Contributed by NM, 13-Mar-1996.) (Revised by Mario Carneiro, 17-Nov-2014.) (New usage is discouraged.) |
Ref | Expression |
---|---|
genp.1 | ⊢ 𝐹 = (𝑤 ∈ P, 𝑣 ∈ P ↦ {𝑥 ∣ ∃𝑦 ∈ 𝑤 ∃𝑧 ∈ 𝑣 𝑥 = (𝑦𝐺𝑧)}) |
genp.2 | ⊢ ((𝑦 ∈ Q ∧ 𝑧 ∈ Q) → (𝑦𝐺𝑧) ∈ Q) |
genpcl.3 | ⊢ (ℎ ∈ Q → (𝑓 <Q 𝑔 ↔ (ℎ𝐺𝑓) <Q (ℎ𝐺𝑔))) |
genpcl.4 | ⊢ (𝑥𝐺𝑦) = (𝑦𝐺𝑥) |
genpcl.5 | ⊢ ((((𝐴 ∈ P ∧ 𝑔 ∈ 𝐴) ∧ (𝐵 ∈ P ∧ ℎ ∈ 𝐵)) ∧ 𝑥 ∈ Q) → (𝑥 <Q (𝑔𝐺ℎ) → 𝑥 ∈ (𝐴𝐹𝐵))) |
Ref | Expression |
---|---|
genpcl | ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐴𝐹𝐵) ∈ P) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | genp.1 | . . 3 ⊢ 𝐹 = (𝑤 ∈ P, 𝑣 ∈ P ↦ {𝑥 ∣ ∃𝑦 ∈ 𝑤 ∃𝑧 ∈ 𝑣 𝑥 = (𝑦𝐺𝑧)}) | |
2 | genp.2 | . . 3 ⊢ ((𝑦 ∈ Q ∧ 𝑧 ∈ Q) → (𝑦𝐺𝑧) ∈ Q) | |
3 | 1, 2 | genpn0 10690 | . 2 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → ∅ ⊊ (𝐴𝐹𝐵)) |
4 | 1, 2 | genpss 10691 | . . 3 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐴𝐹𝐵) ⊆ Q) |
5 | vex 3426 | . . . . 5 ⊢ 𝑥 ∈ V | |
6 | vex 3426 | . . . . 5 ⊢ 𝑦 ∈ V | |
7 | genpcl.3 | . . . . 5 ⊢ (ℎ ∈ Q → (𝑓 <Q 𝑔 ↔ (ℎ𝐺𝑓) <Q (ℎ𝐺𝑔))) | |
8 | 5, 6, 7 | caovord 7461 | . . . 4 ⊢ (𝑧 ∈ Q → (𝑥 <Q 𝑦 ↔ (𝑧𝐺𝑥) <Q (𝑧𝐺𝑦))) |
9 | genpcl.4 | . . . 4 ⊢ (𝑥𝐺𝑦) = (𝑦𝐺𝑥) | |
10 | 1, 2, 8, 9 | genpnnp 10692 | . . 3 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → ¬ (𝐴𝐹𝐵) = Q) |
11 | dfpss2 4016 | . . 3 ⊢ ((𝐴𝐹𝐵) ⊊ Q ↔ ((𝐴𝐹𝐵) ⊆ Q ∧ ¬ (𝐴𝐹𝐵) = Q)) | |
12 | 4, 10, 11 | sylanbrc 582 | . 2 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐴𝐹𝐵) ⊊ Q) |
13 | genpcl.5 | . . . . . 6 ⊢ ((((𝐴 ∈ P ∧ 𝑔 ∈ 𝐴) ∧ (𝐵 ∈ P ∧ ℎ ∈ 𝐵)) ∧ 𝑥 ∈ Q) → (𝑥 <Q (𝑔𝐺ℎ) → 𝑥 ∈ (𝐴𝐹𝐵))) | |
14 | 1, 2, 13 | genpcd 10693 | . . . . 5 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝑓 ∈ (𝐴𝐹𝐵) → (𝑥 <Q 𝑓 → 𝑥 ∈ (𝐴𝐹𝐵)))) |
15 | 14 | alrimdv 1933 | . . . 4 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝑓 ∈ (𝐴𝐹𝐵) → ∀𝑥(𝑥 <Q 𝑓 → 𝑥 ∈ (𝐴𝐹𝐵)))) |
16 | vex 3426 | . . . . . 6 ⊢ 𝑧 ∈ V | |
17 | vex 3426 | . . . . . 6 ⊢ 𝑤 ∈ V | |
18 | 16, 17, 7 | caovord 7461 | . . . . 5 ⊢ (𝑣 ∈ Q → (𝑧 <Q 𝑤 ↔ (𝑣𝐺𝑧) <Q (𝑣𝐺𝑤))) |
19 | 16, 17, 9 | caovcom 7447 | . . . . 5 ⊢ (𝑧𝐺𝑤) = (𝑤𝐺𝑧) |
20 | 1, 2, 18, 19 | genpnmax 10694 | . . . 4 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝑓 ∈ (𝐴𝐹𝐵) → ∃𝑥 ∈ (𝐴𝐹𝐵)𝑓 <Q 𝑥)) |
21 | 15, 20 | jcad 512 | . . 3 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝑓 ∈ (𝐴𝐹𝐵) → (∀𝑥(𝑥 <Q 𝑓 → 𝑥 ∈ (𝐴𝐹𝐵)) ∧ ∃𝑥 ∈ (𝐴𝐹𝐵)𝑓 <Q 𝑥))) |
22 | 21 | ralrimiv 3106 | . 2 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → ∀𝑓 ∈ (𝐴𝐹𝐵)(∀𝑥(𝑥 <Q 𝑓 → 𝑥 ∈ (𝐴𝐹𝐵)) ∧ ∃𝑥 ∈ (𝐴𝐹𝐵)𝑓 <Q 𝑥)) |
23 | elnp 10674 | . 2 ⊢ ((𝐴𝐹𝐵) ∈ P ↔ ((∅ ⊊ (𝐴𝐹𝐵) ∧ (𝐴𝐹𝐵) ⊊ Q) ∧ ∀𝑓 ∈ (𝐴𝐹𝐵)(∀𝑥(𝑥 <Q 𝑓 → 𝑥 ∈ (𝐴𝐹𝐵)) ∧ ∃𝑥 ∈ (𝐴𝐹𝐵)𝑓 <Q 𝑥))) | |
24 | 3, 12, 22, 23 | syl21anbrc 1342 | 1 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐴𝐹𝐵) ∈ P) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 395 ∀wal 1537 = wceq 1539 ∈ wcel 2108 {cab 2715 ∀wral 3063 ∃wrex 3064 ⊆ wss 3883 ⊊ wpss 3884 ∅c0 4253 class class class wbr 5070 (class class class)co 7255 ∈ cmpo 7257 Qcnq 10539 <Q cltq 10545 Pcnp 10546 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-inf2 9329 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-oadd 8271 df-omul 8272 df-er 8456 df-ni 10559 df-mi 10561 df-lti 10562 df-ltpq 10597 df-enq 10598 df-nq 10599 df-ltnq 10605 df-np 10668 |
This theorem is referenced by: addclpr 10705 mulclpr 10707 |
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