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| Mirrors > Home > MPE Home > Th. List > genpelv | Structured version Visualization version GIF version | ||
| Description: Membership in value of general operation (addition or multiplication) on positive reals. (Contributed by NM, 13-Mar-1996.) (Revised by Mario Carneiro, 12-Jun-2013.) (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) |
| Ref | Expression |
|---|---|
| genpelv | ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐶 ∈ (𝐴𝐹𝐵) ↔ ∃𝑔 ∈ 𝐴 ∃ℎ ∈ 𝐵 𝐶 = (𝑔𝐺ℎ))) |
| 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 | genpv 10890 | . . 3 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐴𝐹𝐵) = {𝑓 ∣ ∃𝑔 ∈ 𝐴 ∃ℎ ∈ 𝐵 𝑓 = (𝑔𝐺ℎ)}) |
| 4 | 3 | eleq2d 2817 | . 2 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐶 ∈ (𝐴𝐹𝐵) ↔ 𝐶 ∈ {𝑓 ∣ ∃𝑔 ∈ 𝐴 ∃ℎ ∈ 𝐵 𝑓 = (𝑔𝐺ℎ)})) |
| 5 | id 22 | . . . . . 6 ⊢ (𝐶 = (𝑔𝐺ℎ) → 𝐶 = (𝑔𝐺ℎ)) | |
| 6 | ovex 7379 | . . . . . 6 ⊢ (𝑔𝐺ℎ) ∈ V | |
| 7 | 5, 6 | eqeltrdi 2839 | . . . . 5 ⊢ (𝐶 = (𝑔𝐺ℎ) → 𝐶 ∈ V) |
| 8 | 7 | rexlimivw 3129 | . . . 4 ⊢ (∃ℎ ∈ 𝐵 𝐶 = (𝑔𝐺ℎ) → 𝐶 ∈ V) |
| 9 | 8 | rexlimivw 3129 | . . 3 ⊢ (∃𝑔 ∈ 𝐴 ∃ℎ ∈ 𝐵 𝐶 = (𝑔𝐺ℎ) → 𝐶 ∈ V) |
| 10 | eqeq1 2735 | . . . 4 ⊢ (𝑓 = 𝐶 → (𝑓 = (𝑔𝐺ℎ) ↔ 𝐶 = (𝑔𝐺ℎ))) | |
| 11 | 10 | 2rexbidv 3197 | . . 3 ⊢ (𝑓 = 𝐶 → (∃𝑔 ∈ 𝐴 ∃ℎ ∈ 𝐵 𝑓 = (𝑔𝐺ℎ) ↔ ∃𝑔 ∈ 𝐴 ∃ℎ ∈ 𝐵 𝐶 = (𝑔𝐺ℎ))) |
| 12 | 9, 11 | elab3 3637 | . 2 ⊢ (𝐶 ∈ {𝑓 ∣ ∃𝑔 ∈ 𝐴 ∃ℎ ∈ 𝐵 𝑓 = (𝑔𝐺ℎ)} ↔ ∃𝑔 ∈ 𝐴 ∃ℎ ∈ 𝐵 𝐶 = (𝑔𝐺ℎ)) |
| 13 | 4, 12 | bitrdi 287 | 1 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐶 ∈ (𝐴𝐹𝐵) ↔ ∃𝑔 ∈ 𝐴 ∃ℎ ∈ 𝐵 𝐶 = (𝑔𝐺ℎ))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1541 ∈ wcel 2111 {cab 2709 ∃wrex 3056 Vcvv 3436 (class class class)co 7346 ∈ cmpo 7348 Qcnq 10743 Pcnp 10750 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5232 ax-nul 5242 ax-pow 5301 ax-pr 5368 ax-un 7668 ax-inf2 9531 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-ral 3048 df-rex 3057 df-rab 3396 df-v 3438 df-sbc 3737 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-pss 3917 df-nul 4281 df-if 4473 df-pw 4549 df-sn 4574 df-pr 4576 df-op 4580 df-uni 4857 df-br 5090 df-opab 5152 df-tr 5197 df-id 5509 df-eprel 5514 df-po 5522 df-so 5523 df-fr 5567 df-we 5569 df-xp 5620 df-rel 5621 df-cnv 5622 df-co 5623 df-dm 5624 df-ord 6309 df-on 6310 df-lim 6311 df-suc 6312 df-iota 6437 df-fun 6483 df-fv 6489 df-ov 7349 df-oprab 7350 df-mpo 7351 df-om 7797 df-ni 10763 df-nq 10803 df-np 10872 |
| This theorem is referenced by: genpprecl 10892 genpss 10895 genpnnp 10896 genpcd 10897 genpnmax 10898 genpass 10900 distrlem1pr 10916 distrlem5pr 10918 1idpr 10920 ltexprlem6 10932 reclem3pr 10940 reclem4pr 10941 |
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