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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 1554 | 1 ⊢ ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 207 ⊤wtru 1548 [wsbc 3730 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2712 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-tru 1550 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-clel 2815 df-sbc 3731 |
| This theorem is referenced by: eqsbc2 3793 sbc3an 3794 sbccomlemOLD 3809 sbccom 3810 sbcrext 3812 sbcabel 3817 csbcow 3853 csbco 3854 sbcnel12g 4349 sbcne12 4350 csbcom 4355 csbnestgfw 4357 csbnestgf 4362 sbccsb 4371 sbccsb2 4372 csbab 4375 2nreu 4379 sbcssg 4456 sbcop 5436 sbcrel 5731 sbcfung 6516 tfinds2 7811 frpoins3xpg 8087 frpoins3xp3g 8088 mpoxopovel 8167 f1od2 32818 bnj62 34910 bnj89 34911 bnj156 34918 bnj524 34927 bnj610 34937 bnj919 34957 bnj976 34967 bnj110 35047 bnj91 35050 bnj92 35051 bnj106 35057 bnj121 35059 bnj124 35060 bnj125 35061 bnj126 35062 bnj130 35063 bnj154 35067 bnj155 35068 bnj153 35069 bnj207 35070 bnj523 35076 bnj526 35077 bnj539 35080 bnj540 35081 bnj581 35097 bnj591 35100 bnj609 35106 bnj611 35107 bnj934 35124 bnj1000 35130 bnj984 35141 bnj985v 35142 bnj985 35143 bnj1040 35161 bnj1123 35175 bnj1452 35241 bnj1463 35244 sbcalf 38488 sbcexf 38489 sbccom2lem 38498 sbccom2 38499 sbccom2f 38500 sbccom2fi 38501 csbcom2fi 38502 rspcsbnea 42623 2sbcrex 43240 sbcrot3 43243 sbcrot5 43244 2rexfrabdioph 43248 3rexfrabdioph 43249 4rexfrabdioph 43250 6rexfrabdioph 43251 7rexfrabdioph 43252 rmydioph 43466 expdiophlem2 43474 sbcheg 44230 sbc3or 44983 trsbc 44991 onfrALTlem5 44993 eqsbc2VD 45290 sbcoreleleqVD 45309 onfrALTlem5VD 45335 ich2exprop 47953 |
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