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| Mirrors > Home > ILE Home > Th. List > sbcieg | GIF version | ||
| Description: Conversion of implicit substitution to explicit class substitution. (Contributed by NM, 10-Nov-2005.) |
| Ref | Expression |
|---|---|
| sbcieg.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| sbcieg | ⊢ (𝐴 ∈ 𝑉 → ([𝐴 / 𝑥]𝜑 ↔ 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfv 1552 | . 2 ⊢ Ⅎ𝑥𝜓 | |
| 2 | sbcieg.1 | . 2 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 3 | 1, 2 | sbciegf 3031 | 1 ⊢ (𝐴 ∈ 𝑉 → ([𝐴 / 𝑥]𝜑 ↔ 𝜓)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ↔ wb 105 = wceq 1373 ∈ wcel 2177 [wsbc 2999 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-ext 2188 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-v 2775 df-sbc 3000 |
| This theorem is referenced by: sbcie 3034 ralsng 3674 rexsng 3675 ralrnmpt 5729 rexrnmpt 5730 nn1suc 9062 cjth 11201 bezoutlemnewy 12361 bezoutlemstep 12362 bezoutlema 12364 bezoutlemb 12365 prmind2 12486 |
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