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Mirrors > Home > MPE Home > Th. List > fvmptopab2 | Structured version Visualization version GIF version |
Description: The function value of a mapping 𝑀 to a restricted binary relation expressed as an ordered-pair class abstraction: The restricted binary relation is a binary relation given as value of a function 𝐹 restricted by the conditions 𝜓 and 𝜏. (Contributed by AV, 31-Jan-2021.) |
Ref | Expression |
---|---|
fvmptopab1.2 | ⊢ ((𝜑 ∧ 𝑧 = 𝑍) → (𝜒 ↔ 𝜓)) |
fvmptopab1.3 | ⊢ (𝜑 → 𝑍 ∈ 𝑉) |
fvmptopab1.4 | ⊢ (𝜑 → {〈𝑥, 𝑦〉 ∣ 𝑥(𝐹‘𝑍)𝑦} ∈ V) |
fvmptopab2.1 | ⊢ 𝑀 = (𝑧 ∈ V ↦ {〈𝑥, 𝑦〉 ∣ (𝑥(𝐹‘𝑧)𝑦 ∧ 𝜒 ∧ 𝜃)}) |
fvmptopab2.2 | ⊢ ((𝜑 ∧ 𝑧 = 𝑍) → (𝜃 ↔ 𝜏)) |
Ref | Expression |
---|---|
fvmptopab2 | ⊢ (𝜑 → (𝑀‘𝑍) = {〈𝑥, 𝑦〉 ∣ (𝑥(𝐹‘𝑍)𝑦 ∧ 𝜓 ∧ 𝜏)}) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fvmptopab1.2 | . . . 4 ⊢ ((𝜑 ∧ 𝑧 = 𝑍) → (𝜒 ↔ 𝜓)) | |
2 | fvmptopab2.2 | . . . 4 ⊢ ((𝜑 ∧ 𝑧 = 𝑍) → (𝜃 ↔ 𝜏)) | |
3 | 1, 2 | anbi12d 743 | . . 3 ⊢ ((𝜑 ∧ 𝑧 = 𝑍) → ((𝜒 ∧ 𝜃) ↔ (𝜓 ∧ 𝜏))) |
4 | fvmptopab1.3 | . . 3 ⊢ (𝜑 → 𝑍 ∈ 𝑉) | |
5 | fvmptopab1.4 | . . 3 ⊢ (𝜑 → {〈𝑥, 𝑦〉 ∣ 𝑥(𝐹‘𝑍)𝑦} ∈ V) | |
6 | fvmptopab2.1 | . . . 4 ⊢ 𝑀 = (𝑧 ∈ V ↦ {〈𝑥, 𝑦〉 ∣ (𝑥(𝐹‘𝑧)𝑦 ∧ 𝜒 ∧ 𝜃)}) | |
7 | 3anass 1035 | . . . . . 6 ⊢ ((𝑥(𝐹‘𝑧)𝑦 ∧ 𝜒 ∧ 𝜃) ↔ (𝑥(𝐹‘𝑧)𝑦 ∧ (𝜒 ∧ 𝜃))) | |
8 | 7 | opabbii 4649 | . . . . 5 ⊢ {〈𝑥, 𝑦〉 ∣ (𝑥(𝐹‘𝑧)𝑦 ∧ 𝜒 ∧ 𝜃)} = {〈𝑥, 𝑦〉 ∣ (𝑥(𝐹‘𝑧)𝑦 ∧ (𝜒 ∧ 𝜃))} |
9 | 8 | mpteq2i 4669 | . . . 4 ⊢ (𝑧 ∈ V ↦ {〈𝑥, 𝑦〉 ∣ (𝑥(𝐹‘𝑧)𝑦 ∧ 𝜒 ∧ 𝜃)}) = (𝑧 ∈ V ↦ {〈𝑥, 𝑦〉 ∣ (𝑥(𝐹‘𝑧)𝑦 ∧ (𝜒 ∧ 𝜃))}) |
10 | 6, 9 | eqtri 2632 | . . 3 ⊢ 𝑀 = (𝑧 ∈ V ↦ {〈𝑥, 𝑦〉 ∣ (𝑥(𝐹‘𝑧)𝑦 ∧ (𝜒 ∧ 𝜃))}) |
11 | 3, 4, 5, 10 | fvmptopab1 6594 | . 2 ⊢ (𝜑 → (𝑀‘𝑍) = {〈𝑥, 𝑦〉 ∣ (𝑥(𝐹‘𝑍)𝑦 ∧ (𝜓 ∧ 𝜏))}) |
12 | 3anass 1035 | . . . 4 ⊢ ((𝑥(𝐹‘𝑍)𝑦 ∧ 𝜓 ∧ 𝜏) ↔ (𝑥(𝐹‘𝑍)𝑦 ∧ (𝜓 ∧ 𝜏))) | |
13 | 12 | bicomi 213 | . . 3 ⊢ ((𝑥(𝐹‘𝑍)𝑦 ∧ (𝜓 ∧ 𝜏)) ↔ (𝑥(𝐹‘𝑍)𝑦 ∧ 𝜓 ∧ 𝜏)) |
14 | 13 | opabbii 4649 | . 2 ⊢ {〈𝑥, 𝑦〉 ∣ (𝑥(𝐹‘𝑍)𝑦 ∧ (𝜓 ∧ 𝜏))} = {〈𝑥, 𝑦〉 ∣ (𝑥(𝐹‘𝑍)𝑦 ∧ 𝜓 ∧ 𝜏)} |
15 | 11, 14 | syl6eq 2660 | 1 ⊢ (𝜑 → (𝑀‘𝑍) = {〈𝑥, 𝑦〉 ∣ (𝑥(𝐹‘𝑍)𝑦 ∧ 𝜓 ∧ 𝜏)}) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 195 ∧ wa 383 ∧ w3a 1031 = wceq 1475 ∈ wcel 1977 Vcvv 3173 class class class wbr 4583 {copab 4642 ↦ cmpt 4643 ‘cfv 5804 |
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-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pr 4833 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 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-ral 2901 df-rex 2902 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-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-iota 5768 df-fun 5806 df-fv 5812 |
This theorem is referenced by: pthsfval 40927 |
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