| Mathbox for Mario Carneiro |
< Previous
Next >
Nearby theorems |
||
| 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 35743 | . . . 4 ⊢ 𝑅:𝑃⟶𝑃 |
| 4 | ffn 6663 | . . . 4 ⊢ (𝑅:𝑃⟶𝑃 → 𝑅 Fn 𝑃) | |
| 5 | 3, 4 | ax-mp 5 | . . 3 ⊢ 𝑅 Fn 𝑃 |
| 6 | dffn4 6753 | . . 3 ⊢ (𝑅 Fn 𝑃 ↔ 𝑅:𝑃–onto→ran 𝑅) | |
| 7 | 5, 6 | mpbi 230 | . 2 ⊢ 𝑅:𝑃–onto→ran 𝑅 |
| 8 | mstaval.s | . . . 4 ⊢ 𝑆 = (mStat‘𝑇) | |
| 9 | 2, 8 | mstaval 35745 | . . 3 ⊢ 𝑆 = ran 𝑅 |
| 10 | foeq3 6745 | . . 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 231 | 1 ⊢ 𝑅:𝑃–onto→𝑆 |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 = wceq 1542 ran crn 5626 Fn wfn 6488 ⟶wf 6489 –onto→wfo 6491 ‘cfv 6493 mPreStcmpst 35674 mStRedcmsr 35675 mStatcmsta 35676 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-ot 4577 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-1st 7936 df-2nd 7937 df-mpst 35694 df-msr 35695 df-msta 35696 |
| This theorem is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |