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Mirrors > Home > MPE Home > Th. List > Mathboxes > mpst123 | Structured version Visualization version GIF version |
Description: Decompose a pre-statement into a triple of values. (Contributed by Mario Carneiro, 18-Jul-2016.) |
Ref | Expression |
---|---|
mpstssv.p | ⊢ 𝑃 = (mPreSt‘𝑇) |
Ref | Expression |
---|---|
mpst123 | ⊢ (𝑋 ∈ 𝑃 → 𝑋 = 〈(1st ‘(1st ‘𝑋)), (2nd ‘(1st ‘𝑋)), (2nd ‘𝑋)〉) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mpstssv.p | . . . 4 ⊢ 𝑃 = (mPreSt‘𝑇) | |
2 | 1 | mpstssv 30690 | . . 3 ⊢ 𝑃 ⊆ ((V × V) × V) |
3 | 2 | sseli 3564 | . 2 ⊢ (𝑋 ∈ 𝑃 → 𝑋 ∈ ((V × V) × V)) |
4 | 1st2nd2 7096 | . . . 4 ⊢ (𝑋 ∈ ((V × V) × V) → 𝑋 = 〈(1st ‘𝑋), (2nd ‘𝑋)〉) | |
5 | xp1st 7089 | . . . . . 6 ⊢ (𝑋 ∈ ((V × V) × V) → (1st ‘𝑋) ∈ (V × V)) | |
6 | 1st2nd2 7096 | . . . . . 6 ⊢ ((1st ‘𝑋) ∈ (V × V) → (1st ‘𝑋) = 〈(1st ‘(1st ‘𝑋)), (2nd ‘(1st ‘𝑋))〉) | |
7 | 5, 6 | syl 17 | . . . . 5 ⊢ (𝑋 ∈ ((V × V) × V) → (1st ‘𝑋) = 〈(1st ‘(1st ‘𝑋)), (2nd ‘(1st ‘𝑋))〉) |
8 | 7 | opeq1d 4346 | . . . 4 ⊢ (𝑋 ∈ ((V × V) × V) → 〈(1st ‘𝑋), (2nd ‘𝑋)〉 = 〈〈(1st ‘(1st ‘𝑋)), (2nd ‘(1st ‘𝑋))〉, (2nd ‘𝑋)〉) |
9 | 4, 8 | eqtrd 2644 | . . 3 ⊢ (𝑋 ∈ ((V × V) × V) → 𝑋 = 〈〈(1st ‘(1st ‘𝑋)), (2nd ‘(1st ‘𝑋))〉, (2nd ‘𝑋)〉) |
10 | df-ot 4134 | . . 3 ⊢ 〈(1st ‘(1st ‘𝑋)), (2nd ‘(1st ‘𝑋)), (2nd ‘𝑋)〉 = 〈〈(1st ‘(1st ‘𝑋)), (2nd ‘(1st ‘𝑋))〉, (2nd ‘𝑋)〉 | |
11 | 9, 10 | syl6eqr 2662 | . 2 ⊢ (𝑋 ∈ ((V × V) × V) → 𝑋 = 〈(1st ‘(1st ‘𝑋)), (2nd ‘(1st ‘𝑋)), (2nd ‘𝑋)〉) |
12 | 3, 11 | syl 17 | 1 ⊢ (𝑋 ∈ 𝑃 → 𝑋 = 〈(1st ‘(1st ‘𝑋)), (2nd ‘(1st ‘𝑋)), (2nd ‘𝑋)〉) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1475 ∈ wcel 1977 Vcvv 3173 〈cop 4131 〈cotp 4133 × cxp 5036 ‘cfv 5804 1st c1st 7057 2nd c2nd 7058 mPreStcmpst 30624 |
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 |
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-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-op 4132 df-ot 4134 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-rn 5049 df-iota 5768 df-fun 5806 df-fv 5812 df-1st 7059 df-2nd 7060 df-mpst 30644 |
This theorem is referenced by: msrf 30693 msrid 30696 mthmpps 30733 |
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