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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 3800 | . 2 ⊢ (⊤ → ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓)) |
| 4 | 3 | mptru 1577 | 1 ⊢ ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 209 ⊤wtru 1571 [wsbc 3745 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1573 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-sbc 3746 |
| This theorem is referenced by: eqsbc2 3808 sbc3an 3809 sbccomlemOLD 3824 sbccom 3825 sbcrext 3827 sbcabel 3832 csbcow 3869 csbco 3870 sbcnel12g 4380 sbcne12 4381 csbcom 4386 csbnestgfw 4388 csbnestgf 4393 sbccsb 4402 sbccsb2 4403 csbab 4406 2nreu 4410 sbcssg 4483 sbcop 5473 sbcrel 5769 sbcfung 6562 tfinds2 7861 frpoins3xpg 8137 frpoins3xp3g 8138 mpoxopovel 8217 f1od2 33045 bnj62 35090 bnj89 35091 bnj156 35098 bnj524 35107 bnj610 35117 bnj919 35137 bnj976 35147 bnj110 35227 bnj91 35230 bnj92 35231 bnj106 35237 bnj121 35239 bnj124 35240 bnj125 35241 bnj126 35242 bnj130 35243 bnj154 35247 bnj155 35248 bnj153 35249 bnj207 35250 bnj523 35256 bnj526 35257 bnj539 35260 bnj540 35261 bnj581 35277 bnj591 35280 bnj609 35286 bnj611 35287 bnj934 35304 bnj1000 35310 bnj984 35321 bnj985v 35322 bnj985 35323 bnj1040 35341 bnj1123 35355 bnj1452 35421 bnj1463 35424 sbcalf 38744 sbcexf 38745 sbccom2lem 38754 sbccom2 38755 sbccom2f 38756 sbccom2fi 38757 csbcom2fi 38758 rspcsbnea 42879 2sbcrex 43498 sbcrot3 43501 sbcrot5 43502 2rexfrabdioph 43506 3rexfrabdioph 43507 4rexfrabdioph 43508 6rexfrabdioph 43509 7rexfrabdioph 43510 rmydioph 43724 expdiophlem2 43732 sbcheg 44488 sbc3or 45224 trsbc 45232 onfrALTlem5 45234 eqsbc2VD 45531 sbcoreleleqVD 45550 onfrALTlem5VD 45576 ich2exprop 48203 |
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