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| Mirrors > Home > MPE Home > Th. List > sbcbii | Structured version Visualization version GIF version | ||
| Description: Formula-building inference for class substitution. (Contributed by NM, 11-Nov-2005.) |
| Ref | Expression |
|---|---|
| sbcbii.1 | ⊢ (𝜑 ↔ 𝜓) |
| Ref | Expression |
|---|---|
| sbcbii | ⊢ ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sbcbii.1 | . . . 4 ⊢ (𝜑 ↔ 𝜓) | |
| 2 | 1 | a1i 11 | . . 3 ⊢ (⊤ → (𝜑 ↔ 𝜓)) |
| 3 | 2 | sbcbidv 3796 | . 2 ⊢ (⊤ → ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓)) |
| 4 | 3 | mptru 1548 | 1 ⊢ ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ⊤wtru 1542 [wsbc 3740 |
| 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 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1544 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-sbc 3741 |
| This theorem is referenced by: eqsbc2 3804 sbc3an 3805 sbccomlemOLD 3820 sbccom 3821 sbcrext 3823 sbcabel 3828 csbcow 3864 csbco 3865 sbcnel12g 4366 sbcne12 4367 csbcom 4372 csbnestgfw 4374 csbnestgf 4379 sbccsb 4388 sbccsb2 4389 csbab 4392 2nreu 4396 sbcssg 4474 sbcop 5437 sbcrel 5730 sbcfung 6516 tfinds2 7806 frpoins3xpg 8082 frpoins3xp3g 8083 mpoxopovel 8162 f1od2 32798 bnj62 34876 bnj89 34877 bnj156 34884 bnj524 34893 bnj610 34903 bnj919 34923 bnj976 34933 bnj110 35014 bnj91 35017 bnj92 35018 bnj106 35024 bnj121 35026 bnj124 35027 bnj125 35028 bnj126 35029 bnj130 35030 bnj154 35034 bnj155 35035 bnj153 35036 bnj207 35037 bnj523 35043 bnj526 35044 bnj539 35047 bnj540 35048 bnj581 35064 bnj591 35067 bnj609 35073 bnj611 35074 bnj934 35091 bnj1000 35097 bnj984 35108 bnj985v 35109 bnj985 35110 bnj1040 35128 bnj1123 35142 bnj1452 35208 bnj1463 35211 sbcalf 38315 sbcexf 38316 sbccom2lem 38325 sbccom2 38326 sbccom2f 38327 sbccom2fi 38328 csbcom2fi 38329 rspcsbnea 42385 2sbcrex 43026 2sbcrexOLD 43028 sbcrot3 43033 sbcrot5 43034 2rexfrabdioph 43038 3rexfrabdioph 43039 4rexfrabdioph 43040 6rexfrabdioph 43041 7rexfrabdioph 43042 rmydioph 43256 expdiophlem2 43264 sbcheg 44020 sbc3or 44773 trsbc 44781 onfrALTlem5 44783 eqsbc2VD 45080 sbcoreleleqVD 45099 onfrALTlem5VD 45125 ich2exprop 47717 |
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