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| Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-evalidval | Structured version Visualization version GIF version | ||
| Description: Closed general form of strndxid 17262. Both sides are equal to (𝐹‘𝐴) by bj-evalid 37746 and bj-evalval 37745 respectively, but bj-evalidval 37748 adds something to bj-evalid 37746 and bj-evalval 37745 in that Slot 𝐴 appears on both sides. (Contributed by BJ, 27-Dec-2021.) |
| Ref | Expression |
|---|---|
| bj-evalidval | ⊢ ((𝑉 ∈ 𝑊 ∧ 𝐴 ∈ 𝑉 ∧ 𝐹 ∈ 𝑈) → (𝐹‘(Slot 𝐴‘( I ↾ 𝑉))) = (Slot 𝐴‘𝐹)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bj-evalid 37746 | . . . 4 ⊢ ((𝑉 ∈ 𝑊 ∧ 𝐴 ∈ 𝑉) → (Slot 𝐴‘( I ↾ 𝑉)) = 𝐴) | |
| 2 | 1 | fveq2d 6885 | . . 3 ⊢ ((𝑉 ∈ 𝑊 ∧ 𝐴 ∈ 𝑉) → (𝐹‘(Slot 𝐴‘( I ↾ 𝑉))) = (𝐹‘𝐴)) |
| 3 | 2 | 3adant3 1150 | . 2 ⊢ ((𝑉 ∈ 𝑊 ∧ 𝐴 ∈ 𝑉 ∧ 𝐹 ∈ 𝑈) → (𝐹‘(Slot 𝐴‘( I ↾ 𝑉))) = (𝐹‘𝐴)) |
| 4 | bj-evalval 37745 | . . . 4 ⊢ (𝐹 ∈ 𝑈 → (Slot 𝐴‘𝐹) = (𝐹‘𝐴)) | |
| 5 | 4 | eqcomd 2769 | . . 3 ⊢ (𝐹 ∈ 𝑈 → (𝐹‘𝐴) = (Slot 𝐴‘𝐹)) |
| 6 | 5 | 3ad2ant3 1153 | . 2 ⊢ ((𝑉 ∈ 𝑊 ∧ 𝐴 ∈ 𝑉 ∧ 𝐹 ∈ 𝑈) → (𝐹‘𝐴) = (Slot 𝐴‘𝐹)) |
| 7 | 3, 6 | eqtrd 2798 | 1 ⊢ ((𝑉 ∈ 𝑊 ∧ 𝐴 ∈ 𝑉 ∧ 𝐹 ∈ 𝑈) → (𝐹‘(Slot 𝐴‘( I ↾ 𝑉))) = (Slot 𝐴‘𝐹)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 400 ∧ w3a 1103 = wceq 1570 ∈ wcel 2143 I cid 5555 ↾ cres 5663 ‘cfv 6536 Slot cslot 17245 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-res 5673 df-iota 6492 df-fun 6538 df-fv 6544 df-slot 17246 |
| This theorem is used by: (None) |
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