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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 3797 | . 2 ⊢ (⊤ → ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓)) |
| 4 | 3 | mptru 1566 | 1 ⊢ ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 208 ⊤wtru 1560 [wsbc 3742 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-ext 2733 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-tru 1562 df-ex 1799 df-sb 2090 df-clab 2740 df-cleq 2753 df-clel 2836 df-sbc 3743 |
| This theorem is referenced by: eqsbc2 3805 sbc3an 3806 sbccomlemOLD 3821 sbccom 3822 sbcrext 3824 sbcabel 3829 csbcow 3865 csbco 3866 sbcnel12g 4365 sbcne12 4366 csbcom 4371 csbnestgfw 4373 csbnestgf 4378 sbccsb 4387 sbccsb2 4388 csbab 4391 2nreu 4395 sbcssg 4472 sbcop 5454 sbcrel 5749 sbcfung 6539 tfinds2 7838 frpoins3xpg 8113 frpoins3xp3g 8114 mpoxopovel 8193 f1od2 32881 bnj62 34976 bnj89 34977 bnj156 34984 bnj524 34993 bnj610 35003 bnj919 35023 bnj976 35033 bnj110 35113 bnj91 35116 bnj92 35117 bnj106 35123 bnj121 35125 bnj124 35126 bnj125 35127 bnj126 35128 bnj130 35129 bnj154 35133 bnj155 35134 bnj153 35135 bnj207 35136 bnj523 35142 bnj526 35143 bnj539 35146 bnj540 35147 bnj581 35163 bnj591 35166 bnj609 35172 bnj611 35173 bnj934 35190 bnj1000 35196 bnj984 35207 bnj985v 35208 bnj985 35209 bnj1040 35227 bnj1123 35241 bnj1452 35307 bnj1463 35310 sbcalf 38573 sbcexf 38574 sbccom2lem 38583 sbccom2 38584 sbccom2f 38585 sbccom2fi 38586 csbcom2fi 38587 rspcsbnea 42708 2sbcrex 43325 sbcrot3 43328 sbcrot5 43329 2rexfrabdioph 43333 3rexfrabdioph 43334 4rexfrabdioph 43335 6rexfrabdioph 43336 7rexfrabdioph 43337 rmydioph 43551 expdiophlem2 43559 sbcheg 44315 sbc3or 45068 trsbc 45076 onfrALTlem5 45078 eqsbc2VD 45375 sbcoreleleqVD 45394 onfrALTlem5VD 45420 ich2exprop 48037 |
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