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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 3798 | . 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 3742 |
| 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 3743 |
| This theorem is referenced by: eqsbc2 3806 sbc3an 3807 sbccomlemOLD 3822 sbccom 3823 sbcrext 3825 sbcabel 3830 csbcow 3866 csbco 3867 sbcnel12g 4368 sbcne12 4369 csbcom 4374 csbnestgfw 4376 csbnestgf 4381 sbccsb 4390 sbccsb2 4391 csbab 4394 2nreu 4398 sbcssg 4476 sbcop 5445 sbcrel 5738 sbcfung 6524 tfinds2 7816 frpoins3xpg 8092 frpoins3xp3g 8093 mpoxopovel 8172 f1od2 32808 bnj62 34896 bnj89 34897 bnj156 34904 bnj524 34913 bnj610 34923 bnj919 34943 bnj976 34953 bnj110 35033 bnj91 35036 bnj92 35037 bnj106 35043 bnj121 35045 bnj124 35046 bnj125 35047 bnj126 35048 bnj130 35049 bnj154 35053 bnj155 35054 bnj153 35055 bnj207 35056 bnj523 35062 bnj526 35063 bnj539 35066 bnj540 35067 bnj581 35083 bnj591 35086 bnj609 35092 bnj611 35093 bnj934 35110 bnj1000 35116 bnj984 35127 bnj985v 35128 bnj985 35129 bnj1040 35147 bnj1123 35161 bnj1452 35227 bnj1463 35230 sbcalf 38362 sbcexf 38363 sbccom2lem 38372 sbccom2 38373 sbccom2f 38374 sbccom2fi 38375 csbcom2fi 38376 rspcsbnea 42498 2sbcrex 43138 2sbcrexOLD 43140 sbcrot3 43145 sbcrot5 43146 2rexfrabdioph 43150 3rexfrabdioph 43151 4rexfrabdioph 43152 6rexfrabdioph 43153 7rexfrabdioph 43154 rmydioph 43368 expdiophlem2 43376 sbcheg 44132 sbc3or 44885 trsbc 44893 onfrALTlem5 44895 eqsbc2VD 45192 sbcoreleleqVD 45211 onfrALTlem5VD 45237 ich2exprop 47828 |
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