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Mirrors > Home > MPE Home > Th. List > rspcdva | Structured version Visualization version GIF version |
Description: Restricted specialization, using implicit substitution. (Contributed by Thierry Arnoux, 21-Jun-2020.) |
Ref | Expression |
---|---|
rspcdva.1 | ⊢ (𝑥 = 𝐶 → (𝜓 ↔ 𝜒)) |
rspcdva.2 | ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 𝜓) |
rspcdva.3 | ⊢ (𝜑 → 𝐶 ∈ 𝐴) |
Ref | Expression |
---|---|
rspcdva | ⊢ (𝜑 → 𝜒) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rspcdva.2 | . 2 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 𝜓) | |
2 | rspcdva.3 | . . 3 ⊢ (𝜑 → 𝐶 ∈ 𝐴) | |
3 | rspcdva.1 | . . . 4 ⊢ (𝑥 = 𝐶 → (𝜓 ↔ 𝜒)) | |
4 | 3 | adantl 482 | . . 3 ⊢ ((𝜑 ∧ 𝑥 = 𝐶) → (𝜓 ↔ 𝜒)) |
5 | 2, 4 | rspcdv 3312 | . 2 ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 → 𝜒)) |
6 | 1, 5 | mpd 15 | 1 ⊢ (𝜑 → 𝜒) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 196 = wceq 1483 ∈ wcel 1990 ∀wral 2912 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-v 3202 |
This theorem is referenced by: grprinvlem 6872 grprinvd 6873 fin1ai 9115 seqshft2 12827 seqsplit 12834 prmreclem5 15624 gsumzaddlem 18321 ablfac1eu 18472 evlslem1 19515 mdetunilem1 20418 cmpcov 21192 cuspcvg 22105 tayl0 24116 lgamcvglem 24766 wlkonl1iedg 26561 wlkp1lem7 26576 wlkp1lem8 26577 crctcshwlkn0lem6 26707 eupth2eucrct 27077 inelpisys 30217 unelldsys 30221 ldgenpisyslem1 30226 fsum2dsub 30685 hgt750lemc 30725 hgt750lemd 30726 hgt749d 30727 hgt750lemf 30731 cvmlift2lem10 31294 unblimceq0lem 32497 unblimceq0 32498 unbdqndv2 32502 climisp 39978 climrescn 39980 climxrrelem 39981 climxrre 39982 saldifcl 40539 |
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