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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 3794 | . 2 ⊢ (⊤ → ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓)) |
| 4 | 3 | mptru 1561 | 1 ⊢ ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 208 ⊤wtru 1555 [wsbc 3739 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1809 ax-4 1823 ax-5 1924 ax-6 1981 ax-7 2022 ax-8 2138 ax-9 2146 ax-ext 2728 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-tru 1557 df-ex 1794 df-sb 2085 df-clab 2735 df-cleq 2748 df-clel 2831 df-sbc 3740 |
| This theorem is referenced by: eqsbc2 3802 sbc3an 3803 sbccomlemOLD 3818 sbccom 3819 sbcrext 3821 sbcabel 3826 csbcow 3862 csbco 3863 sbcnel12g 4362 sbcne12 4363 csbcom 4368 csbnestgfw 4370 csbnestgf 4375 sbccsb 4384 sbccsb2 4385 csbab 4388 2nreu 4392 sbcssg 4469 sbcop 5451 sbcrel 5746 sbcfung 6534 tfinds2 7833 frpoins3xpg 8108 frpoins3xp3g 8109 mpoxopovel 8188 f1od2 32864 bnj62 34973 bnj89 34974 bnj156 34981 bnj524 34990 bnj610 35000 bnj919 35020 bnj976 35030 bnj110 35110 bnj91 35113 bnj92 35114 bnj106 35120 bnj121 35122 bnj124 35123 bnj125 35124 bnj126 35125 bnj130 35126 bnj154 35130 bnj155 35131 bnj153 35132 bnj207 35133 bnj523 35139 bnj526 35140 bnj539 35143 bnj540 35144 bnj581 35160 bnj591 35163 bnj609 35169 bnj611 35170 bnj934 35187 bnj1000 35193 bnj984 35204 bnj985v 35205 bnj985 35206 bnj1040 35224 bnj1123 35238 bnj1452 35304 bnj1463 35307 sbcalf 38561 sbcexf 38562 sbccom2lem 38571 sbccom2 38572 sbccom2f 38573 sbccom2fi 38574 csbcom2fi 38575 rspcsbnea 42696 2sbcrex 43313 sbcrot3 43316 sbcrot5 43317 2rexfrabdioph 43321 3rexfrabdioph 43322 4rexfrabdioph 43323 6rexfrabdioph 43324 7rexfrabdioph 43325 rmydioph 43539 expdiophlem2 43547 sbcheg 44303 sbc3or 45056 trsbc 45064 onfrALTlem5 45066 eqsbc2VD 45363 sbcoreleleqVD 45382 onfrALTlem5VD 45408 ich2exprop 48025 |
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