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Mirrors > Home > MPE Home > Th. List > csbeq2i | Structured version Visualization version GIF version |
Description: Formula-building inference for class substitution. (Contributed by NM, 10-Nov-2005.) (Revised by Mario Carneiro, 1-Sep-2015.) |
Ref | Expression |
---|---|
csbeq2i.1 | ⊢ 𝐵 = 𝐶 |
Ref | Expression |
---|---|
csbeq2i | ⊢ ⦋𝐴 / 𝑥⦌𝐵 = ⦋𝐴 / 𝑥⦌𝐶 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | csbeq2i.1 | . . . 4 ⊢ 𝐵 = 𝐶 | |
2 | 1 | a1i 11 | . . 3 ⊢ (⊤ → 𝐵 = 𝐶) |
3 | 2 | csbeq2dv 3889 | . 2 ⊢ (⊤ → ⦋𝐴 / 𝑥⦌𝐵 = ⦋𝐴 / 𝑥⦌𝐶) |
4 | 3 | mptru 1540 | 1 ⊢ ⦋𝐴 / 𝑥⦌𝐵 = ⦋𝐴 / 𝑥⦌𝐶 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1533 ⊤wtru 1534 ⦋csb 3882 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-12 2173 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-clab 2800 df-cleq 2814 df-clel 2893 df-sbc 3772 df-csb 3883 |
This theorem is referenced by: csbnest1g 4380 csbvarg 4382 csbsng 4637 csbprg 4638 csbopg 4814 csbuni 4859 csbmpt12 5436 csbxp 5644 csbcnv 5748 csbcnvgALT 5749 csbdm 5760 csbres 5850 csbrn 6054 csbfv12 6707 fvmpocurryd 7931 csbnegg 10877 csbwrdg 13889 matgsum 21040 disjxpin 30332 f1od2 30451 bj-csbsn 34216 csbpredg 34601 csbwrecsg 34602 csbrecsg 34603 csbrdgg 34604 csboprabg 34605 csbmpo123 34606 csbfinxpg 34663 poimirlem24 34910 cdleme31so 37509 cdleme31sn 37510 cdleme31sn1 37511 cdleme31se 37512 cdleme31se2 37513 cdleme31sc 37514 cdleme31sde 37515 cdleme31sn2 37519 cdlemkid3N 38063 cdlemkid4 38064 climinf2mpt 41988 climinfmpt 41989 |
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