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Mirrors > Home > MPE Home > Th. List > sbcie | Structured version Visualization version GIF version |
Description: Conversion of implicit substitution to explicit class substitution. (Contributed by NM, 4-Sep-2004.) |
Ref | Expression |
---|---|
sbcie.1 | ⊢ 𝐴 ∈ V |
sbcie.2 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
Ref | Expression |
---|---|
sbcie | ⊢ ([𝐴 / 𝑥]𝜑 ↔ 𝜓) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sbcie.1 | . 2 ⊢ 𝐴 ∈ V | |
2 | sbcie.2 | . . 3 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
3 | 2 | sbcieg 3812 | . 2 ⊢ (𝐴 ∈ V → ([𝐴 / 𝑥]𝜑 ↔ 𝜓)) |
4 | 1, 3 | ax-mp 5 | 1 ⊢ ([𝐴 / 𝑥]𝜑 ↔ 𝜓) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 = wceq 1537 ∈ wcel 2114 Vcvv 3496 [wsbc 3774 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-12 2177 ax-ext 2795 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2802 df-cleq 2816 df-clel 2895 df-v 3498 df-sbc 3775 |
This theorem is referenced by: rexopabb 5417 reuop 6146 tfinds2 7580 findcard2 8760 ac6sfi 8764 ac6num 9903 fpwwe 10070 nn1suc 11662 wrdind 14086 cjth 14464 fprodser 15305 prmind2 16031 joinlem 17623 meetlem 17637 mndind 17994 isghm 18360 islmod 19640 islindf 20958 fgcl 22488 cfinfil 22503 csdfil 22504 supfil 22505 fin1aufil 22542 quotval 24883 dfconngr1 27969 isconngr 27970 isconngr1 27971 wrdt2ind 30629 bnj62 31992 bnj610 32020 bnj976 32051 bnj106 32142 bnj125 32146 bnj154 32152 bnj155 32153 bnj526 32162 bnj540 32166 bnj591 32185 bnj609 32191 bnj893 32202 bnj1417 32315 soseq 33098 poimirlem27 34921 sdclem2 35019 fdc 35022 fdc1 35023 lshpkrlem3 36250 hdmap1fval 38934 hdmapfval 38965 rabren3dioph 39419 2nn0ind 39549 zindbi 39550 onfrALTlem5 40883 onfrALTlem5VD 41226 reupr 43691 |
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