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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 3811 | . 2 ⊢ (⊤ → ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓)) |
| 4 | 3 | mptru 1547 | 1 ⊢ ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ⊤wtru 1541 [wsbc 3755 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2702 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1543 df-ex 1780 df-sb 2066 df-clab 2709 df-cleq 2722 df-clel 2804 df-sbc 3756 |
| This theorem is referenced by: eqsbc2 3819 sbc3an 3820 sbccomlemOLD 3835 sbccom 3836 sbcrext 3838 sbcabel 3843 csbcow 3879 csbco 3880 sbcnel12g 4379 sbcne12 4380 csbcom 4385 csbnestgfw 4387 csbnestgf 4392 sbccsb 4401 sbccsb2 4402 csbab 4405 2nreu 4409 sbcssg 4485 sbcop 5451 sbcrel 5745 difopabOLD 5796 sbcfung 6542 tfinds2 7842 frpoins3xpg 8121 frpoins3xp3g 8122 mpoxopovel 8201 f1od2 32650 bnj62 34716 bnj89 34717 bnj156 34724 bnj524 34733 bnj610 34743 bnj919 34763 bnj976 34773 bnj110 34854 bnj91 34857 bnj92 34858 bnj106 34864 bnj121 34866 bnj124 34867 bnj125 34868 bnj126 34869 bnj130 34870 bnj154 34874 bnj155 34875 bnj153 34876 bnj207 34877 bnj523 34883 bnj526 34884 bnj539 34887 bnj540 34888 bnj581 34904 bnj591 34907 bnj609 34913 bnj611 34914 bnj934 34931 bnj1000 34937 bnj984 34948 bnj985v 34949 bnj985 34950 bnj1040 34968 bnj1123 34982 bnj1452 35048 bnj1463 35051 sbcalf 38103 sbcexf 38104 sbccom2lem 38113 sbccom2 38114 sbccom2f 38115 sbccom2fi 38116 csbcom2fi 38117 rspcsbnea 42114 2sbcrex 42765 2sbcrexOLD 42767 sbcrot3 42772 sbcrot5 42773 2rexfrabdioph 42777 3rexfrabdioph 42778 4rexfrabdioph 42779 6rexfrabdioph 42780 7rexfrabdioph 42781 rmydioph 42996 expdiophlem2 43004 sbcheg 43761 sbc3or 44515 trsbc 44523 onfrALTlem5 44525 eqsbc2VD 44822 sbcoreleleqVD 44841 onfrALTlem5VD 44867 ich2exprop 47462 |
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