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| Mirrors > Home > MPE Home > Th. List > Mathboxes > msrfo | Structured version Visualization version GIF version | ||
| Description: The reduct of a pre-statement is a statement. (Contributed by Mario Carneiro, 18-Jul-2016.) |
| Ref | Expression |
|---|---|
| mstaval.r | ⊢ 𝑅 = (mStRed‘𝑇) |
| mstaval.s | ⊢ 𝑆 = (mStat‘𝑇) |
| msrfo.p | ⊢ 𝑃 = (mPreSt‘𝑇) |
| Ref | Expression |
|---|---|
| msrfo | ⊢ 𝑅:𝑃–onto→𝑆 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | msrfo.p | . . . . 5 ⊢ 𝑃 = (mPreSt‘𝑇) | |
| 2 | mstaval.r | . . . . 5 ⊢ 𝑅 = (mStRed‘𝑇) | |
| 3 | 1, 2 | msrf 30693 | . . . 4 ⊢ 𝑅:𝑃⟶𝑃 |
| 4 | ffn 5958 | . . . 4 ⊢ (𝑅:𝑃⟶𝑃 → 𝑅 Fn 𝑃) | |
| 5 | 3, 4 | ax-mp 5 | . . 3 ⊢ 𝑅 Fn 𝑃 |
| 6 | dffn4 6034 | . . 3 ⊢ (𝑅 Fn 𝑃 ↔ 𝑅:𝑃–onto→ran 𝑅) | |
| 7 | 5, 6 | mpbi 219 | . 2 ⊢ 𝑅:𝑃–onto→ran 𝑅 |
| 8 | mstaval.s | . . . 4 ⊢ 𝑆 = (mStat‘𝑇) | |
| 9 | 2, 8 | mstaval 30695 | . . 3 ⊢ 𝑆 = ran 𝑅 |
| 10 | foeq3 6026 | . . 3 ⊢ (𝑆 = ran 𝑅 → (𝑅:𝑃–onto→𝑆 ↔ 𝑅:𝑃–onto→ran 𝑅)) | |
| 11 | 9, 10 | ax-mp 5 | . 2 ⊢ (𝑅:𝑃–onto→𝑆 ↔ 𝑅:𝑃–onto→ran 𝑅) |
| 12 | 7, 11 | mpbir 220 | 1 ⊢ 𝑅:𝑃–onto→𝑆 |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 195 = wceq 1475 ran crn 5039 Fn wfn 5799 ⟶wf 5800 –onto→wfo 5802 ‘cfv 5804 mPreStcmpst 30624 mStRedcmsr 30625 mStatcmsta 30626 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 |
| This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-fal 1481 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-ral 2901 df-rex 2902 df-reu 2903 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-op 4132 df-ot 4134 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-1st 7059 df-2nd 7060 df-mpst 30644 df-msr 30645 df-msta 30646 |
| This theorem is referenced by: (None) |
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