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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 3785 | . 2 ⊢ (⊤ → ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓)) |
| 4 | 3 | mptru 1549 | 1 ⊢ ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ⊤wtru 1543 [wsbc 3729 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-sbc 3730 |
| This theorem is referenced by: eqsbc2 3793 sbc3an 3794 sbccomlemOLD 3809 sbccom 3810 sbcrext 3812 sbcabel 3817 csbcow 3853 csbco 3854 sbcnel12g 4355 sbcne12 4356 csbcom 4361 csbnestgfw 4363 csbnestgf 4368 sbccsb 4377 sbccsb2 4378 csbab 4381 2nreu 4385 sbcssg 4462 sbcop 5437 sbcrel 5730 sbcfung 6516 tfinds2 7808 frpoins3xpg 8083 frpoins3xp3g 8084 mpoxopovel 8163 f1od2 32807 bnj62 34879 bnj89 34880 bnj156 34887 bnj524 34896 bnj610 34906 bnj919 34926 bnj976 34936 bnj110 35016 bnj91 35019 bnj92 35020 bnj106 35026 bnj121 35028 bnj124 35029 bnj125 35030 bnj126 35031 bnj130 35032 bnj154 35036 bnj155 35037 bnj153 35038 bnj207 35039 bnj523 35045 bnj526 35046 bnj539 35049 bnj540 35050 bnj581 35066 bnj591 35069 bnj609 35075 bnj611 35076 bnj934 35093 bnj1000 35099 bnj984 35110 bnj985v 35111 bnj985 35112 bnj1040 35130 bnj1123 35144 bnj1452 35210 bnj1463 35213 sbcalf 38449 sbcexf 38450 sbccom2lem 38459 sbccom2 38460 sbccom2f 38461 sbccom2fi 38462 csbcom2fi 38463 rspcsbnea 42584 2sbcrex 43230 2sbcrexOLD 43232 sbcrot3 43237 sbcrot5 43238 2rexfrabdioph 43242 3rexfrabdioph 43243 4rexfrabdioph 43244 6rexfrabdioph 43245 7rexfrabdioph 43246 rmydioph 43460 expdiophlem2 43468 sbcheg 44224 sbc3or 44977 trsbc 44985 onfrALTlem5 44987 eqsbc2VD 45284 sbcoreleleqVD 45303 onfrALTlem5VD 45329 ich2exprop 47943 |
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