Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
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 | . . . 4 ⊢ 𝐹 = (𝑤 ∈ P, 𝑣 ∈ P ↦ {𝑥 ∣ ∃𝑦 ∈ 𝑤 ∃𝑧 ∈ 𝑣 𝑥 = (𝑦𝐺𝑧)}) | |
2 | genp.2 | . . . 4 ⊢ ((𝑦 ∈ Q ∧ 𝑧 ∈ Q) → (𝑦𝐺𝑧) ∈ Q) | |
3 | 1, 2 | genpn0 9704 | . . 3 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → ∅ ⊊ (𝐴𝐹𝐵)) |
4 | 1, 2 | genpss 9705 | . . . 4 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐴𝐹𝐵) ⊆ Q) |
5 | vex 3176 | . . . . . 6 ⊢ 𝑥 ∈ V | |
6 | vex 3176 | . . . . . 6 ⊢ 𝑦 ∈ V | |
7 | genpcl.3 | . . . . . 6 ⊢ (ℎ ∈ Q → (𝑓 <Q 𝑔 ↔ (ℎ𝐺𝑓) <Q (ℎ𝐺𝑔))) | |
8 | 5, 6, 7 | caovord 6743 | . . . . 5 ⊢ (𝑧 ∈ Q → (𝑥 <Q 𝑦 ↔ (𝑧𝐺𝑥) <Q (𝑧𝐺𝑦))) |
9 | genpcl.4 | . . . . 5 ⊢ (𝑥𝐺𝑦) = (𝑦𝐺𝑥) | |
10 | 1, 2, 8, 9 | genpnnp 9706 | . . . 4 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → ¬ (𝐴𝐹𝐵) = Q) |
11 | dfpss2 3654 | . . . 4 ⊢ ((𝐴𝐹𝐵) ⊊ Q ↔ ((𝐴𝐹𝐵) ⊆ Q ∧ ¬ (𝐴𝐹𝐵) = Q)) | |
12 | 4, 10, 11 | sylanbrc 695 | . . 3 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐴𝐹𝐵) ⊊ Q) |
13 | genpcl.5 | . . . . . . 7 ⊢ ((((𝐴 ∈ P ∧ 𝑔 ∈ 𝐴) ∧ (𝐵 ∈ P ∧ ℎ ∈ 𝐵)) ∧ 𝑥 ∈ Q) → (𝑥 <Q (𝑔𝐺ℎ) → 𝑥 ∈ (𝐴𝐹𝐵))) | |
14 | 1, 2, 13 | genpcd 9707 | . . . . . 6 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝑓 ∈ (𝐴𝐹𝐵) → (𝑥 <Q 𝑓 → 𝑥 ∈ (𝐴𝐹𝐵)))) |
15 | 14 | alrimdv 1844 | . . . . 5 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝑓 ∈ (𝐴𝐹𝐵) → ∀𝑥(𝑥 <Q 𝑓 → 𝑥 ∈ (𝐴𝐹𝐵)))) |
16 | vex 3176 | . . . . . . 7 ⊢ 𝑧 ∈ V | |
17 | vex 3176 | . . . . . . 7 ⊢ 𝑤 ∈ V | |
18 | 16, 17, 7 | caovord 6743 | . . . . . 6 ⊢ (𝑣 ∈ Q → (𝑧 <Q 𝑤 ↔ (𝑣𝐺𝑧) <Q (𝑣𝐺𝑤))) |
19 | 16, 17, 9 | caovcom 6729 | . . . . . 6 ⊢ (𝑧𝐺𝑤) = (𝑤𝐺𝑧) |
20 | 1, 2, 18, 19 | genpnmax 9708 | . . . . 5 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝑓 ∈ (𝐴𝐹𝐵) → ∃𝑥 ∈ (𝐴𝐹𝐵)𝑓 <Q 𝑥)) |
21 | 15, 20 | jcad 554 | . . . 4 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝑓 ∈ (𝐴𝐹𝐵) → (∀𝑥(𝑥 <Q 𝑓 → 𝑥 ∈ (𝐴𝐹𝐵)) ∧ ∃𝑥 ∈ (𝐴𝐹𝐵)𝑓 <Q 𝑥))) |
22 | 21 | ralrimiv 2948 | . . 3 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → ∀𝑓 ∈ (𝐴𝐹𝐵)(∀𝑥(𝑥 <Q 𝑓 → 𝑥 ∈ (𝐴𝐹𝐵)) ∧ ∃𝑥 ∈ (𝐴𝐹𝐵)𝑓 <Q 𝑥)) |
23 | 3, 12, 22 | jca31 555 | . 2 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → ((∅ ⊊ (𝐴𝐹𝐵) ∧ (𝐴𝐹𝐵) ⊊ Q) ∧ ∀𝑓 ∈ (𝐴𝐹𝐵)(∀𝑥(𝑥 <Q 𝑓 → 𝑥 ∈ (𝐴𝐹𝐵)) ∧ ∃𝑥 ∈ (𝐴𝐹𝐵)𝑓 <Q 𝑥))) |
24 | elnp 9688 | . 2 ⊢ ((𝐴𝐹𝐵) ∈ P ↔ ((∅ ⊊ (𝐴𝐹𝐵) ∧ (𝐴𝐹𝐵) ⊊ Q) ∧ ∀𝑓 ∈ (𝐴𝐹𝐵)(∀𝑥(𝑥 <Q 𝑓 → 𝑥 ∈ (𝐴𝐹𝐵)) ∧ ∃𝑥 ∈ (𝐴𝐹𝐵)𝑓 <Q 𝑥))) | |
25 | 23, 24 | sylibr 223 | 1 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐴𝐹𝐵) ∈ P) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 195 ∧ wa 383 ∀wal 1473 = wceq 1475 ∈ wcel 1977 {cab 2596 ∀wral 2896 ∃wrex 2897 ⊆ wss 3540 ⊊ wpss 3541 ∅c0 3874 class class class wbr 4583 (class class class)co 6549 ↦ cmpt2 6551 Qcnq 9553 <Q cltq 9559 Pcnp 9560 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-inf2 8421 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-1st 7059 df-2nd 7060 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-oadd 7451 df-omul 7452 df-er 7629 df-ni 9573 df-mi 9575 df-lti 9576 df-ltpq 9611 df-enq 9612 df-nq 9613 df-ltnq 9619 df-np 9682 |
This theorem is referenced by: addclpr 9719 mulclpr 9721 |
Copyright terms: Public domain | W3C validator |