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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 3784 | . 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 3728 |
| 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 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2715 df-cleq 2728 df-clel 2811 df-sbc 3729 |
| This theorem is referenced by: eqsbc2 3792 sbc3an 3793 sbccomlemOLD 3808 sbccom 3809 sbcrext 3811 sbcabel 3816 csbcow 3852 csbco 3853 sbcnel12g 4354 sbcne12 4355 csbcom 4360 csbnestgfw 4362 csbnestgf 4367 sbccsb 4376 sbccsb2 4377 csbab 4380 2nreu 4384 sbcssg 4461 sbcop 5442 sbcrel 5737 sbcfung 6522 tfinds2 7815 frpoins3xpg 8090 frpoins3xp3g 8091 mpoxopovel 8170 f1od2 32792 bnj62 34863 bnj89 34864 bnj156 34871 bnj524 34880 bnj610 34890 bnj919 34910 bnj976 34920 bnj110 35000 bnj91 35003 bnj92 35004 bnj106 35010 bnj121 35012 bnj124 35013 bnj125 35014 bnj126 35015 bnj130 35016 bnj154 35020 bnj155 35021 bnj153 35022 bnj207 35023 bnj523 35029 bnj526 35030 bnj539 35033 bnj540 35034 bnj581 35050 bnj591 35053 bnj609 35059 bnj611 35060 bnj934 35077 bnj1000 35083 bnj984 35094 bnj985v 35095 bnj985 35096 bnj1040 35114 bnj1123 35128 bnj1452 35194 bnj1463 35197 sbcalf 38435 sbcexf 38436 sbccom2lem 38445 sbccom2 38446 sbccom2f 38447 sbccom2fi 38448 csbcom2fi 38449 rspcsbnea 42570 2sbcrex 43216 sbcrot3 43219 sbcrot5 43220 2rexfrabdioph 43224 3rexfrabdioph 43225 4rexfrabdioph 43226 6rexfrabdioph 43227 7rexfrabdioph 43228 rmydioph 43442 expdiophlem2 43450 sbcheg 44206 sbc3or 44959 trsbc 44967 onfrALTlem5 44969 eqsbc2VD 45266 sbcoreleleqVD 45285 onfrALTlem5VD 45311 ich2exprop 47931 |
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