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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 3774 | . 2 ⊢ (⊤ → ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓)) |
4 | 3 | mptru 1545 | 1 ⊢ ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 209 ⊤wtru 1539 [wsbc 3720 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-tru 1541 df-ex 1782 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-sbc 3721 |
This theorem is referenced by: eqsbc3r 3784 sbc3an 3785 sbccomlem 3799 sbccom 3800 sbcrext 3802 sbcabel 3807 csbcow 3843 csbco 3844 sbcnel12g 4319 sbcne12 4320 csbcom 4325 csbnestgfw 4327 csbnestgf 4332 sbccsb 4341 sbccsb2 4342 csbab 4345 2nreu 4349 sbcssg 4421 sbcop 5345 sbcrel 5619 difopab 5666 sbcfung 6348 tfinds2 7558 mpoxopovel 7869 f1od2 30483 bnj62 32100 bnj89 32101 bnj156 32108 bnj524 32118 bnj610 32128 bnj919 32148 bnj976 32159 bnj110 32240 bnj91 32243 bnj92 32244 bnj106 32250 bnj121 32252 bnj124 32253 bnj125 32254 bnj126 32255 bnj130 32256 bnj154 32260 bnj155 32261 bnj153 32262 bnj207 32263 bnj523 32269 bnj526 32270 bnj539 32273 bnj540 32274 bnj581 32290 bnj591 32293 bnj609 32299 bnj611 32300 bnj934 32317 bnj1000 32323 bnj984 32334 bnj985v 32335 bnj985 32336 bnj1040 32354 bnj1123 32368 bnj1452 32434 bnj1463 32437 sbcalf 35552 sbcexf 35553 sbccom2lem 35562 sbccom2 35563 sbccom2f 35564 sbccom2fi 35565 csbcom2fi 35566 2sbcrex 39725 2sbcrexOLD 39727 sbcrot3 39732 sbcrot5 39733 2rexfrabdioph 39737 3rexfrabdioph 39738 4rexfrabdioph 39739 6rexfrabdioph 39740 7rexfrabdioph 39741 rmydioph 39955 expdiophlem2 39963 sbcheg 40480 sbc3or 41238 trsbc 41246 onfrALTlem5 41248 eqsbc3rVD 41546 sbcoreleleqVD 41565 onfrALTlem5VD 41591 ich2exprop 43988 |
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